29.035.10 - Paper and board insulating materials
ICS 29.035.10 Details
Paper and board insulating materials
Papierisolierstoffe. Kartonisolierstoffe
Isolants electriques a base de papier et carton
Papirni in kartonski izolacijski materiali
General Information
Frequently Asked Questions
ICS 29.035.10 is a classification code in the International Classification for Standards (ICS) system. It covers "Paper and board insulating materials". The ICS is a hierarchical classification system used to organize international, regional, and national standards, facilitating the search and identification of standards across different fields.
There are 159 standards classified under ICS 29.035.10 (Paper and board insulating materials). These standards are published by international and regional standardization bodies including ISO, IEC, CEN, CENELEC, and ETSI.
The International Classification for Standards (ICS) is a hierarchical classification system maintained by ISO to organize standards and related documents. It uses a three-level structure with field (2 digits), group (3 digits), and sub-group (2 digits) codes. The ICS helps users find standards by subject area and enables statistical analysis of standards development activities.
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1.1 General
This document specifies performance requirements for type tests for transition joints for use between extruded insulated power cables as specified in HD 620 and impregnated paper insulated power cables as specified in HD 621 or another relevant standard.
Once type test for an accessory is successfully completed, it is not necessary to repeat the test, unless changes are made in the materials, design or manufacturing process, which might affect the performance characteristics.
Possible extra thermo-mechanical forces due to high current loads from renewable sources of power generation are not covered by these tests (under consideration).
Accessories for special applications such as submarine cables, ships cables or hazardous situations (explosive environments, fire resistant cables or seismic conditions) are not included.
Test methods are included in EN IEC 61442:- and Annex E.
NOTE 1 This document does not invalidate existing approvals of products achieved on the basis of national standards and specifications and/or the demonstration of satisfactory service performance. However, products approved according to such national standards or specifications cannot directly claim approval to this document.
NOTE 2 It might be possible, subject to agreement between supplier and purchaser, and/or the relevant conformity assessment body, to demonstrate that conformity to the earlier standard can be used to claim conformity to this document, provided an assessment is made of any additional type testing that might need to be carried out. Any such additional testing that is part of a sequence of testing cannot be done separately.
1.2 Type of accessories
The accessories covered by this document are straight and branch transition joints of all designs, suitable for use underground or in air.
1.3 Rated voltage
The rated voltages U0/U (Um) of the accessories covered by this document are 3,6/6(7,2) - 3,8/6,6(7,2) - 6/10(12) - 6,35/11(12) - 8,7/15(17,5) - 12/20(24) - 12,7/22(24) - 18/30(36) - 19/33(36) - 20,8/36(42) kV.
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1.1 General
This document specifies performance requirements for type tests for cable accessories for use on impregnated paper insulated power cables as specified in HD 621.
It is not necessary to repeat these tests, once successfully completed, unless changes are made in the materials, design or manufacturing process, which might affect the performance characteristics.
Accessories for special applications such as submarine cables, ships cables or hazardous situations (explosive environments, fire resistant cables or seismic conditions) are not included.
Test methods are included in EN 61442:2005.
NOTE It might be possible, subject to agreement between supplier and purchaser, and/or the relevant conformity assessment body, to demonstrate that conformity to the earlier standard can be used to claim conformity to this document, provided an assessment is made of any additional type testing that might need to be carried out. Any such additional testing that is part of a sequence of testing cannot be done separately.
1.2 Type of accessories
The accessories covered by this document are listed below:
- indoor and outdoor terminations of all designs, including terminal boxes;
- straight joints, branch joints and stop end joints of all designs, suitable for use underground or in air;
- screened or unscreened plug-in type or bolted-type separable connectors capable of interfacing with bushing profiles as specified in EN 50180 series and EN 50181.
1.3 Rated voltage
The rated voltages U0/U(Um) of the accessories covered by this document are 3,6/6(7,2) - 3,8/6,6(7,2) - 6/10(12) - 6,35/11(12) - 8,7/15(17,5) - 12/20(24) - 12,7/22(24) - 18/30(36) - 19/33(36) - 20,8/36(42) kV.
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1.1 General This document specifies performance requirements for type tests for transition joints for use between extruded insulated power cables as specified in HD 620 and impregnated paper insulated power cables as specified in HD 621 or another relevant standard. Once type test for an accessory is successfully completed, it is not necessary to repeat the test, unless changes are made in the materials, design or manufacturing process, which might affect the performance characteristics. Possible extra thermo-mechanical forces due to high current loads from renewable sources of power generation are not covered by these tests (under consideration). Accessories for special applications such as submarine cables, ships cables or hazardous situations (explosive environments, fire resistant cables or seismic conditions) are not included. Test methods are included in EN IEC 61442:- and Annex E. NOTE 1 This document does not invalidate existing approvals of products achieved on the basis of national standards and specifications and/or the demonstration of satisfactory service performance. However, products approved according to such national standards or specifications cannot directly claim approval to this document. NOTE 2 It might be possible, subject to agreement between supplier and purchaser, and/or the relevant conformity assessment body, to demonstrate that conformity to the earlier standard can be used to claim conformity to this document, provided an assessment is made of any additional type testing that might need to be carried out. Any such additional testing that is part of a sequence of testing cannot be done separately. 1.2 Type of accessories The accessories covered by this document are straight and branch transition joints of all designs, suitable for use underground or in air. 1.3 Rated voltage The rated voltages U0/U (Um) of the accessories covered by this document are 3,6/6(7,2) - 3,8/6,6(7,2) - 6/10(12) - 6,35/11(12) - 8,7/15(17,5) - 12/20(24) - 12,7/22(24) - 18/30(36) - 19/33(36) - 20,8/36(42) kV.
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IEC 60793-2: 2023 Amendment 1
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IEC 60763-2:2007 gives methods of test applicable for the material classified in IEC 60763-1. This edition includes the following significant technical changes with respect to the previous edition:
The standard has generally been revised editorially and brought into line with IEC 60641-2;
The test method for the determination of the internal ply strength has been replaced with an alternative method; and
The test method for the determination of the thermal resistance has been enlarged in its scope.
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SIGNIFICANCE AND USE
5.1 This test method applies to all papers made from unmodified cellulose, as used in transformer, cable, or capacitor manufacture. It applies to new or aged papers. For information, Appendix X1 shows an example of statistical distribution of values for new papers intended for the insulation of transformers, together with information relative to cable and capacitor papers. Nevertheless, where evaluating the decomposition stage of aged papers, take care to use, as a reference, the value of the new paper of the very same origin; of new papers being a function, among other factors, of their specific gravity and of their manufacturing process.
5.2 This test method can also be used for the determination of the intrinsic viscosity of solutions of chemically modified papers, provided that these dissolve completely in the selection solvent. Use this test method with caution when it is applied to papers with mineral fillers.
SCOPE
1.1 This test method describes a standard procedure for determining the average viscometric degree of polymerization (abbreviated ) of new or aged electrical papers. The determination is made by measuring the intrinsic viscosity of a solution of the paper in an appropriate solvent.
1.2 The degree of polymerization (or the degree of condensation) of a particular cellulose molecule is the number of anhydro-β-glucose monomers, C6H10O5, in the cellulose molecule. Within a sample of paper, not all the cellulose molecules have the same degree of polymerization so that the mean value measured by viscometric methods is not necessarily the same as that which are obtained by other methods.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. See Section 9.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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SIGNIFICANCE AND USE
8.1 In the buyer-seller relationship it is necessary that an understanding exists as to the expected nominal characteristics of the product, and the magnitude of permissible departure from the nominal values. Also, it is necessary that an agreement be reached as to how many units of a lot can fall outside of the specification limits without rejection of the lot. It is this latter subject that is addressed by this test method.
SCOPE
1.1 These test methods cover procedures for sampling and testing untreated paper to be used as an electrical insulator or as a constituent of a composite material used for electrical insulating purposes.
1.1.1 Untreated papers are thin, fibrous sheets normally laid down from a water suspension of pulped fibers (usually cellulosic) with or without various amounts of nonfibrous ingredients, and which are calendared, if required, to obtain desired thickness and density. Nevertheless, these test methods are applicable, generally although not invariably, to papers formed by other means, to papers modified (during or after formation) by additions, and to papers given subsequent mechanical treatments such as creping.
1.1.2 As an electrical insulating and dielectric material, paper is considered “untreated” until it is subjected to a manufacturing process such as drying, impregnation, or varnish treatment.
1.1.3 The test methods given herein were developed specifically for papers having a thickness of 0.75 mm (0.030 in.) or less. A number of these test methods are also suitable for use on other materials such as pulps or boards. Refer to Test Methods D3376 or D3394 to determine which tests are applicable to pulps or electrical insulating boards. In the paper industry, some products in thicknesses of less than 0.75 mm are termed “paperboard”. Such products are included within the scope of these methods.
1.1.4 These test methods are applicable to flexible fibrous-mat materials formed from suspensions of fiber in fluids other than water. Thicknesses of these mats approach 2 mm, and the fibers contained are possibly natural, synthetic, organic, or inorganic; fillers that are natural, synthetic, organic, or inorganic; and flexible polymeric binder materials.
1.2 The procedures appear in the following sections:
Procedure
Sections
ASTM or TAPPI Reference
(Modified)
Absorption (Rise of Water)
78 to 83
. . .
Acidity-Alkalinity-pH
45 to 54
E70
Air Resistance
98 to 101
D726
Aqueous Extract Conductivity
55 to 64
. . .
Ash Content
40 to 44
D586
Bursting Strength
102 to 107
D774/D774M
Chlorides (Water-Extractable)
165 to 183
. . .
Conditioning
15
D6054
Conducting Paths
138 to 151
. . .
Density, Apparent
29 to 33
. . .
Dielectric Strength
152 to 157
D149
Dimensions of Sheet, Rolls and Cores
16 to 24
D374
Dissipation Factor and Permittivity
158 to 164
D150
Edge-Tearing Resistance
126 to 130
D827
Fiber Analysis
74 to 77
D1030
Folding Endurance
108 to 110
T 423 and D2176
Grammage
25 to 28
D646
Permittivity
158 to 164
D150
Heat Stability in Air
131 to 137
D827
Impregnation Time
84 to 91
. . .
Internal-Tearing Resistance
121 to 125
D689 or T 414
Moisture Content
34 to 39
D644 and D3277
Particulate Copper
193 to 202
. . .
Particulate Iron
184 to 192
. . .
Reagents
4
D1193
Reports
14
E29
Sampling
6 to 13
D3636
Silver Tarnishing by Paper and Paperboard
203 to 206
T 444
Solvent-Soluble Matter
65 to 73
. . .
Surface Friction
92 to 97
D528 and T 455
Tensile Properties
111 to 120
D76, E4
Thickness (see Dimensions)
16 to 24
D374
1.3 The tests for Holes and Felt Hair Inclusions and the Stain Test for Fine Pores, have been removed from this compilation of t...
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SIGNIFICANCE AND USE
4.1 This practice provides minimum requirements for the application of Class PI EIFS. The requirements for materials, mixtures, and details shall be contained in the project plans and specifications. See Guide E1825 for guidance.
SCOPE
1.1 This practice covers the minimum requirements and procedures for field or prefabricated application of Class PI Exterior Insulation and Finish Systems (EIFS). Class PI EIFS are systems applied over polyisocyanurate insulation board, in which the base coat ranges from not less than 1/16 in. (1.6 mm) to 1/4 in. (6.4 mm) in dry thickness, depending upon the number of nonmetallic reinforcing mesh layers encapsulated in the base coat. The base coat is then covered with a finish coat of various thickness in a variety of textures and colors. The insulation board shall be applied over a substrate or over open framing.
1.2 This practice does not cover Class PI EIFS with drainage. Consult the EIFS producer for information.
1.3 The values stated in inch-pound units are to be regarded as the standard. The SI (metric) values given in parentheses are approximate and are provided for information purposes only.
1.4 The text of this standard references notes and footnotes that provide explanatory material. These notes and footnotes shall not be considered as requirements of the standard.
1.5 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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SIGNIFICANCE AND USE
5.1 Dissipation Factor and Relative Permittivity—Knowledge of these properties is important in the design of electrical equipment such as cables, transformers, insulators, and so forth. The numerical product of these two properties of a dielectric system is proportional to the energy loss converted to heat, and is called its loss index (see Terminology D1711). The energy loss reduces the efficiency of electrical equipment. The heat produced tends to chemically degrade the dielectric material and may even lead to thermal runaway. Test results of impregnated specimens can disclose significant differences between combinations of papers and oils that appear similar when the papers and the oils are tested separately. Dissipation factor, particularly at elevated temperatures, is often changed significantly by the presence of a small quantity of impurities in either the liquid or the paper. This practice is useful in the comparison of materials and in evaluating the effects of different papers on a given liquid. Judicious analysis of results with respect to time, temperature, and field strength are useful in predicting the performance and capabilities of systems using the paper and the liquid. For additional information on the significance of dissipation factor and relative permittivity, see Test Methods D150.
5.2 Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials at Commercial Power Frequencies:
5.2.1 A comprehensive discussion of the significance of the dielectric strength test as applied to solid, semi-solid, and liquid materials is given in Appendix X1 of Test Method D149. Other factors peculiar to high-quality composite insulations, such as oil-impregnated papers, are considered in the following:
5.2.2 In tests involving high electrical stresses, immersion of critical parts of a test circuit in oil is a widely used technique for inhibiting corona. However, it has limitations that must be recognized w...
SCOPE
1.1 This practice covers the preparation of insulating paper and board impregnated with a liquid dielectric. Where this practice states only “paper,” the same procedure shall apply to board.
1.2 This practice has been found practicable for papers having nominal thickness of 0.05 mm (2 mil) and above. It has been used successfully for insulating board as thick as 6 mm (1/4 in.) when care is taken to ensure the specimen geometry necessary for valid measurement of dielectric properties. Suitable geometry depends on the electrode system used. Rigid solid opposing electrodes require flat specimens that have essentially parallel surfaces.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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ABSTRACT
This specification covers electrically insulating, unbleached sulfate paper and paperboard used as layer insulation in coils, transformers, and other similar apparatus. The materials may also be used as turn insulation, slot liners, wedges, phase insulation, and separator papers in stranded wire/cable constructions. This specification does not include tissue for manufacture of capacitors. Other commonly used terms for the materials include soft coil wrap, dense coil wrap, kraft coil insulation, dry-finished kraft, and water-finished kraft. The materials covered in this specification are classified into four types according to density range and nominal thickness and should conform to the required values of ash content, alcohol-soluble material content, aqueous extract conductivity, water-soluble chloride content, fiber composition, moisture content, hydrogen ion concentration, pH, tensile strength, dielectric breakdown voltage, and conducting paths.
SCOPE
1.1 This specification covers electrical grade unsized, unbleached sulfate paper and paperboard for use as layer insulation in coils, transformers, and similar apparatus. Other applications include, but are not limited to, turn insulation, slot liners, wedges, phase insulation, and separator papers in stranded wire/cable constructions. Tissue for the manufacture of capacitors is not included in this specification. Other commonly used designations include:
1.1.1 Soft Coil Wrap,
1.1.2 Dense Coil Wrap,
1.1.3 Kraft Coil Insulation,
1.1.4 Dry-Finished Kraft, and
1.1.5 Water-Finished Kraft.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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ABSTRACT
These test methods details the standard procedures for testing certain properties of vulcanized fibre sheets, tubes, and rods of such grades as can be used for electrical insulation. Arc resistance, ash content, bond strength (ply adhesion), bursting strength, compressive strength, conditioning, density, dielectric strength, dimensional measurements, flammability, flexural strength, silica content, tearing strength, tensile strength, thickness (for sheets), resistance to impact, Rockwell hardness, volatile matter content, water absorption, and zinc chloride content are among the properties that these test methods shall be able to examine.
SCOPE
1.1 These test methods cover the procedures for testing vulcanized fibre sheets, rolls, tubes, and rods of such grades as can be used for electrical insulation.
1.2 The procedures appear in the following sections:
Procedure
Section
Arc Resistance
23
Ash
6
Bond Strength (Ply Adhesion)
16
Bursting Strength
14
Compressive Strength
12, 25, 30
Conditioning
4
Density
17, 26, 32
Dielectric Strength
18, 27
Dimensional Measurements
28, 33
Flammability
22
Flexural Strength
13, 31
Silica
7
Tearing Strength
11
Tensile Strength
10, 24, 29
Thickness (Sheets)
20
Resistance to Impact
15
Rockwell Hardness
19
Volatile Matter
8
Water Absorption
5
Zinc Chloride
9
1.3 The values stated in inch-pound units are to be regarded as the standard. The SI values given in parentheses are for information only.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in 7.3, 22.1, and 22.2.
Note 1: The test methods described herein are similar technically to those described in IEC Publication 60667-2. Not all of the tests in this document are included in IEC 60667-2, and the procedures in the two publications are not completely identical; but it is expected that comparable results will be obtained from most of the procedures. Conduct comparative tests if necessary before directly comparing results of tests using the different procedures.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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IEC TR 63043:2020(E), which is a technical report, describes common practices and state of the art for renewable energy power forecasting technology, including general data demands, renewable energy power forecasting methods and forecasting error evaluation. For the purposes of this document, renewable energy refers to variable renewable energy, which mainly comprises wind power and photovoltaic (PV) power – these are the focus of the document. Other variable renewable energies, like concentrating solar power, wave power and tidal power, etc., are not presented in this document, since their capacity is small, while hydro power forecasting is a significantly different field, and so not covered here.
The objects of renewable energy power forecasting can be wind turbines, or a wind farm, or a region with lots of wind farms (respectively PV systems, PV power stations and regions with high PV penetration). This document focuses on providing technical guidance concerning forecasting technologies of multiple spatial and temporal scales, probabilistic forecasting, and ramp event forecasting for wind power and PV power.
This document outlines the basic aspects of renewable energy power forecasting technology. This is the first IEC document related to renewable energy power forecasting. The contents of this document will find an application in the following potential areas:
• support the development and future research for renewable energy power forecasting technology, by showing current state of the art;
• evaluation of the forecasting performance during the design and operation of renewable energy power forecasting system;
• provide information for benchmarking renewable forecasting technologies, including methods used, data required and evaluation techniques
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IEC 60667-2:2020 gives methods of test for vulcanized fibre sheets for electrical purposes. Material made by combining with an adhesive several thicknesses of vulcanized fibre is not covered by this document. Materials which conform to this specification meet established levels of performance. However, the selection of a material by a user for a specific application is based on the actual requirements necessary for adequate performance in that application and not based on this specification alone. Safety warning: It is the responsibility of the user of the methods contained or referred to in this document to ensure that they are used in a safe manner. This second edition cancels and replaces the first edition published in 1982. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) added Terms and definitions
b) added General notes on tests
c) added Thickness instead of dimension
d) changed Apparent density from Density
e) added Arc resistance
f) deleted Sulphate content
g) added method (Bending) for flexibility
h) changed test method for internal ply adhesion
i) added Shrinkage
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IEC 60667-2:2020 gives methods of test for vulcanized fibre sheets for electrical purposes. Material made by combining with an adhesive several thicknesses of vulcanized fibre is not covered by this document. Materials which conform to this specification meet established levels of performance. However, the selection of a material by a user for a specific application is based on the actual requirements necessary for adequate performance in that application and not based on this specification alone. Safety warning: It is the responsibility of the user of the methods contained or referred to in this document to ensure that they are used in a safe manner. This second edition cancels and replaces the first edition published in 1982. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) added Terms and definitions b) added General notes on tests c) added Thickness instead of dimension d) changed Apparent density from Density e) added Arc resistance f) deleted Sulphate content g) added method (Bending) for flexibility h) changed test method for internal ply adhesion i) added Shrinkage
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IEC 60667-1:2020 gives the definitions and general requirements for vulcanized fibre sheets for electrical purposes. Materials made by combining with an adhesive several thicknesses of vulcanized fibre are not covered by this document. Materials that conform to this specification meet established levels of performance. However, the selection of a material by a user for a specific application is based on the actual requirements necessary for adequate performance in that application and not based on this specification alone. Safety warning: it is the responsibility of the user of the methods contained or referred to in this document to ensure that they are used in a safe manner. This second edition cancels and replaces the first edition published in 1980. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- deletion of "corrugated, round rods, and round tubes" from the Scope;
- types A, B and C replaced by general and fishpaper types and addition of a symbol for each type in the classification;
- addition of white, blue, brown, and addition of a symbol for each colour;
- deletion of the thickness of 15,0 mm, the length, the mass and the dimension of rolls from the general requirements;
- addition of the manufacturer's name, trademark (if any), nominal thickness, manufacture date, and lot number in the conditions of supply.
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IEC 60667-1:2020 gives the definitions and general requirements for vulcanized fibre sheets for electrical purposes. Materials made by combining with an adhesive several thicknesses of vulcanized fibre are not covered by this document. Materials that conform to this specification meet established levels of performance. However, the selection of a material by a user for a specific application is based on the actual requirements necessary for adequate performance in that application and not based on this specification alone. Safety warning: it is the responsibility of the user of the methods contained or referred to in this document to ensure that they are used in a safe manner. This second edition cancels and replaces the first edition published in 1980. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
deletion of "corrugated, round rods, and round tubes" from the Scope;
types A, B and C replaced by general and fishpaper types and addition of a symbol for each type in the classification;
addition of white, blue, brown, and addition of a symbol for each colour;
deletion of the thickness of 15,0 mm, the length, the mass and the dimension of rolls from the general requirements;
addition of the manufacturer's name, trademark (if any), nominal thickness, manufacture date, and lot number in the conditions of supply.
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IEC 60667-3-1: 2020 gives requirements for vulcanized fibre sheets for electrical purposes. Materials made by combining with an adhesive several thicknesses of vulcanized fibre are not covered by this document. Materials that conform to this specification meet established levels of performance. However, the selection of a material by a user for a specific application is based on the actual requirements necessary for adequate performance in that application and not based on this specification alone. Safety warning: it is the responsibility of the user of the methods contained or referred to in this document to ensure that they are used in a safe manner. This second edition cancels and replaces the first edition published in 1986. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- change to the range of thickness deviation in Table 1;
- addition of apparent density in Table 1;
- change to the range of thickness for tensile strength in Table 1;
- addition of flexibility and shrinkage in Table 1;
- change test method and property value of internal ply adhesion on Table 1.
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IEC 60667-3-1: 2020 gives requirements for vulcanized fibre sheets for electrical purposes. Materials made by combining with an adhesive several thicknesses of vulcanized fibre are not covered by this document. Materials that conform to this specification meet established levels of performance. However, the selection of a material by a user for a specific application is based on the actual requirements necessary for adequate performance in that application and not based on this specification alone. Safety warning: it is the responsibility of the user of the methods contained or referred to in this document to ensure that they are used in a safe manner. This second edition cancels and replaces the first edition published in 1986. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
change to the range of thickness deviation in Table 1;
addition of apparent density in Table 1;
change to the range of thickness for tensile strength in Table 1;
addition of flexibility and shrinkage in Table 1;
change test method and property value of internal ply adhesion on Table 1.
- Standard11 pagesEnglish languagee-Library read for1 day
IEC 60667-2:2020 gives methods of test for vulcanized fibre sheets for electrical purposes. Material made by combining with an adhesive several thicknesses of vulcanized fibre is not covered by this document. Materials which conform to this specification meet established levels of performance. However, the selection of a material by a user for a specific application is based on the actual requirements necessary for adequate performance in that application and not based on this specification alone. Safety warning: It is the responsibility of the user of the methods contained or referred to in this document to ensure that they are used in a safe manner. This second edition cancels and replaces the first edition published in 1982. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) added Terms and definitions
b) added General notes on tests
c) added Thickness instead of dimension
d) changed Apparent density from Density
e) added Arc resistance
f) deleted Sulphate content
g) added method (Bending) for flexibility
h) changed test method for internal ply adhesion
i) added Shrinkage
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IEC 60667-1:2020 gives the definitions and general requirements for vulcanized fibre sheets for electrical purposes. Materials made by combining with an adhesive several thicknesses of vulcanized fibre are not covered by this document. Materials that conform to this specification meet established levels of performance. However, the selection of a material by a user for a specific application is based on the actual requirements necessary for adequate performance in that application and not based on this specification alone. Safety warning: it is the responsibility of the user of the methods contained or referred to in this document to ensure that they are used in a safe manner. This second edition cancels and replaces the first edition published in 1980. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
deletion of "corrugated, round rods, and round tubes" from the Scope;
types A, B and C replaced by general and fishpaper types and addition of a symbol for each type in the classification;
addition of white, blue, brown, and addition of a symbol for each colour;
deletion of the thickness of 15,0 mm, the length, the mass and the dimension of rolls from the general requirements;
addition of the manufacturer's name, trademark (if any), nominal thickness, manufacture date, and lot number in the conditions of supply.
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IEC 60667-3-1: 2020 gives requirements for vulcanized fibre sheets for electrical purposes. Materials made by combining with an adhesive several thicknesses of vulcanized fibre are not covered by this document. Materials that conform to this specification meet established levels of performance. However, the selection of a material by a user for a specific application is based on the actual requirements necessary for adequate performance in that application and not based on this specification alone. Safety warning: it is the responsibility of the user of the methods contained or referred to in this document to ensure that they are used in a safe manner. This second edition cancels and replaces the first edition published in 1986. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
change to the range of thickness deviation in Table 1;
addition of apparent density in Table 1;
change to the range of thickness for tensile strength in Table 1;
addition of flexibility and shrinkage in Table 1;
change test method and property value of internal ply adhesion on Table 1.
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IEC 60819-3-4:2013 specifies requirements for two types of aramid fibre paper containing mica particles and designated as PAaM: - type 1: calendered aramid paper containing mica particles; - type 2: uncalendered aramid paper containing mica particles. Materials which conform to this specification meet established levels of performance. However, the selection of material by a user for a specific application should be based on the actual requirements necessary for adequate performance in that application and not based on this specification alone. SAFETY WARNING: It is the responsibility of the user of the methods contained or referred to in this document to ensure that they are used in a safe manner. This second edition cancels and replaces the first edition published in 2001. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: the document was updated including new thicknesses and relevant values as from Table 1. Keywords: aramid fibre paper containing mica particles, PAaM, calendered, uncalendered
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Describes methods for the determination of water in insulating liquids and in oil-impregnated cellulosic insulation with coulmetrically generated Karl Fischer reagent.
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IEC 60819-1:2009 gives the definitions and general requirements for non-cellulosic papers for electrical purposes. The main changes from the previous edition are as follows: the list of materials to be used in combination was updated with the addition of new materials made available by progress in technology and described in Subclauses 2.7 and 2.8.
- Standard10 pagesEnglish languagee-Library read for1 day
IEC 60819-3-3:2011 is a sheet of IEC 60819-3 specifies requirements for four types of unfilled aramid papers: - Type 1: calendered paper; - Type 2: calendered paper, with improved tearing resistance and conformability; - Type 3: uncalendered paper; - Type 4: calendered paper, with lower density for laminating. This edition includes the following significant technical changes with respect to the previous edition: - normative references change: all the requirements are now determined according the clauses of test methods from IEC 60819-2 specific for non cellulosic papers, instead of IEC 60554-2:2001 generally valid for cellulosic papers; - and some new, very thin thicknesses, of type 4, calendered paper with lower density for laminating, were added.
- Standard11 pagesEnglish languagee-Library read for1 day
IEC 60819-3-4:2013 specifies requirements for two types of aramid fibre paper containing mica particles and designated as PAaM: - type 1: calendered aramid paper containing mica particles; - type 2: uncalendered aramid paper containing mica particles. Materials which conform to this specification meet established levels of performance. However, the selection of material by a user for a specific application should be based on the actual requirements necessary for adequate performance in that application and not based on this specification alone. SAFETY WARNING: It is the responsibility of the user of the methods contained or referred to in this document to ensure that they are used in a safe manner. This second edition cancels and replaces the first edition published in 2001. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: the document was updated including new thicknesses and relevant values as from Table 1. Keywords: aramid fibre paper containing mica particles, PAaM, calendered, uncalendered
- Standard12 pagesEnglish languagee-Library read for1 day
IEC 60763-1:2010 contains the definitions required for the understanding of all three parts of IEC 60763, the classification of material into types, and the general requirements applicable to all material covered by the standard. The main changes with respect to the previous edition is that the specification was brought in line with the second edition of IEC 60641-1(2007).
- Standard9 pagesEnglish languagee-Library read for1 day
IEC 60763-3-1:2010 gives the requirements for laminated precompressed boards comprised of 100 % sulphate wood pulp. The main changes with respect to the previous edition are: - requirements for the new properties in Part 2 have been integrated; - specifications for type LB3.3.1 and LB3.3.2 have been deleted.
- Standard8 pagesEnglish languagee-Library read for1 day
IEC 60819-3-4:2013 specifies requirements for two types of aramid fibre paper containing mica particles and designated as PAaM:
- type 1: calendered aramid paper containing mica particles;
- type 2: uncalendered aramid paper containing mica particles. Materials which conform to this specification meet established levels of performance. However, the selection of material by a user for a specific application should be based on the actual requirements necessary for adequate performance in that application and not based on this specification alone. SAFETY WARNING: It is the responsibility of the user of the methods contained or referred to in this document to ensure that they are used in a safe manner. This second edition cancels and replaces the first edition published in 2001. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: the document was updated including new thicknesses and relevant values as from Table 1. Keywords: aramid fibre paper containing mica particles, PAaM, calendered, uncalendered
- Standard17 pagesEnglish and French languagesale 15% off
IEC 60819-1:2009 gives the definitions and general requirements for non-cellulosic papers for electrical purposes. The main changes from the previous edition are as follows: the list of materials to be used in combination was updated with the addition of new materials made available by progress in technology and described in Subclauses 2.7 and 2.8.
- Standard10 pagesEnglish languagee-Library read for1 day
This specification covers material having a nominal thickness from 0,05 mm to 0,15 mm, supplied either in the form of sheets or rolls.[
]The contents of the corrigendum of August 1995 have been included in this copy.
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IEC 60793-1-54:2012 outlines a method for measuring the steady state response of optical fibres and optical cables exposed to gamma radiation. It can be employed to determine the level of radiation induced attenuation produced in Class B single-mode or Class A, category A1 and A2 multimode optical fibres, in either cabled or uncabled form, due to exposure to gamma radiation. This second edition cancels and replaces the first edition, published in 2003. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: launching conditions and optical sources have been reviewed and are better defined. Keywords: gamma radiation, optical fibres, optical cables
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- Standard26 pagesEnglish and French languagesale 15% off
IEC 60512-16-21:2012 The object of this standard is to define a standard test method to assess the possibility of whisker growth by external mechanical stress on the tin and tin-alloy plated parts of a connector in its application (after wire termination, after soldering, after mounting, mated with counterpart). This standard does not cover internal stress type whisker. This part of IEC 60512, when required by the detail specification, is used for testing connectors within the scope of IEC technical committee 48. It may also be used for similar devices when specified in a detail specification. Keywords: Whisker growth, external mechanical stress
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IEC 60819-3-3:2011 is a sheet of IEC 60819-3 specifies requirements for four types of unfilled aramid papers: - Type 1: calendered paper; - Type 2: calendered paper, with improved tearing resistance and conformability; - Type 3: uncalendered paper; - Type 4: calendered paper, with lower density for laminating. This edition includes the following significant technical changes with respect to the previous edition: - normative references change: all the requirements are now determined according the clauses of test methods from IEC 60819-2 specific for non cellulosic papers, instead of IEC 60554-2:2001 generally valid for cellulosic papers; - and some new, very thin thicknesses, of type 4, calendered paper with lower density for laminating, were added.
- Standard11 pagesEnglish languagee-Library read for1 day
IEC 60819-3-3:2011 is a sheet of IEC 60819-3 specifies requirements for four types of unfilled aramid papers:
- Type 1: calendered paper;
- Type 2: calendered paper, with improved tearing resistance and conformability;
- Type 3: uncalendered paper;
- Type 4: calendered paper, with lower density for laminating.
This edition includes the following significant technical changes with respect to the previous edition:
- normative references change: all the requirements are now determined according the clauses of test methods from IEC 60819-2 specific for non cellulosic papers, instead of IEC 60554-2:2001 generally valid for cellulosic papers;
- and some new, very thin thicknesses, of type 4, calendered paper with lower density for laminating, were added.
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IEC 60641-3-1:2008 gives the requirements for pressboard for electrical purposes comprised of 100 % sulphate wood pulp or a mixture of sulphate wood pulp and cotton. The main changes with respect to the previous edition are: - Requirements for types B.0.3 and B.5.3 were added; - The precompressed type B.3.1 was divided in B.3.1A and B.3.1B (higher flexibility); - Types B.6.1 has been replaced with a new type, but the designation has been kept; - Type B.7.1 has been deleted; - The thickness relation of the properties has been simplified; and - The values were adjusted to today's needs of users.
- Standard14 pagesEnglish languagee-Library read for1 day
IEC 62271-204:2011 applies to rigid HV gas insulated transmission lines (GIL) in which the insulation is obtained, at least partly, by a non-corrosive insulating gas, other than air at atmospheric pressure, for alternating current of rated voltages above 52 kV, and for service frequencies up to and including 60 Hz. This standard cancels and replaces IEC/TS 61640:1998. It is a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- update to be in line with IEC 62271-1:2007 and 62271-203 and alignment of the voltage ratings and the test voltages;
- addition of new information for gas tightness and corrosion protection.
This publication is to be read in conjunction with IEC 62271-1:2007.
- Standard109 pagesEnglish and French languagesale 15% off
Gives the general definitions and requirements for non-cellulosic papers (aramid (aromatic polyamide) paper, polyethylene paper, polypropylene paper, glass paper, ceramic paper, poly(ethylene)-terephthalate paper)
- Standard10 pagesEnglish and French languagesale 15% off
This part of IEC 60641 gives the requirements for presspaper for electrical purposes comprised of 100 % sulphate wood pulp, 100 % cotton or a mixture of sulphate wood pulp and cotton. The main changes with respect to the previous edition are: type P.6 has been replaced with a new type, but the designation has been kept, type P.7 has been deleted, the thickness relation of the properties has been simplified and the values were adjusted to today's needs of users.
- Standard10 pagesEnglish languagee-Library read for1 day
IEC 60763-1:2010 contains the definitions required for the understanding of all three parts of IEC 60763, the classification of material into types, and the general requirements applicable to all material covered by the standard. The main changes with respect to the previous edition is that the specification was brought in line with the second edition of IEC 60641-1(2007).
- Standard9 pagesEnglish languagee-Library read for1 day
IEC 60763-3-1:2010 gives the requirements for laminated precompressed boards comprised of 100 % sulphate wood pulp. The main changes with respect to the previous edition are: - requirements for the new properties in Part 2 have been integrated; - specifications for type LB3.3.1 and LB3.3.2 have been deleted.
- Standard8 pagesEnglish languagee-Library read for1 day
This part of IEC 60641 contains definitions related to a classification of, and the general requirements to be fulfilled by, pressboard and presspaper for electrical purposes. The main changes with respect to the previous edition are: the kind of surface finish shall no longer be specified in the standard, fixed nominal thicknesses have been replaced by preferred thicknesses, types B.6 and P.6 have been replaced, but the designations have been kept and types B.7 and P.7 have been deleted.
- Standard11 pagesEnglish languagee-Library read for1 day
IEC 60763-3-1:2010 gives the requirements for laminated precompressed boards comprised of 100 % sulphate wood pulp. The main changes with respect to the previous edition are:
- requirements for the new properties in Part 2 have been integrated;
- specifications for type LB3.3.1 and LB3.3.2 have been deleted.
- Standard9 pagesEnglish and French languagesale 15% off
IEC 60763-1:2010 contains the definitions required for the understanding of all three parts of IEC 60763, the classification of material into types, and the general requirements applicable to all material covered by the standard. The main changes with respect to the previous edition is that the specification was brought in line with the second edition of IEC 60641-1(2007).
- Standard12 pagesEnglish and French languagesale 15% off
Contains the requirements for pressure-sensitive adhesive tapes made with cellulosic paper, creped and non-creped, with rubber thermosetting adhesive.
- Standard11 pagesEnglish languagee-Library read for1 day
15/340/RVC established on 2006-07-07: To be published without FDIS stage
- Amendment6 pagesEnglish languagee-Library read for1 day
- Amendment7 pagesEnglish languagee-Library read for1 day
IEC 60763-2:2007 gives methods of test applicable for the material classified in IEC 60763-1. This edition includes the following significant technical changes with respect to the previous edition: The standard has generally been revised editorially and brought into line with IEC 60641-2; The test method for the determination of the internal ply strength has been replaced with an alternative method; and The test method for the determination of the thermal resistance has been enlarged in its scope.
- Standard22 pagesEnglish languagee-Library read for1 day