EN ISO 21809-1:2011

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Naftna industrija in industrija zemeljskega plina - Zunanje prevleke za cevovode, zakopane v zemljo ali potopljene v vodo, v sistemih cevovodnega transporta - 1. del: Poliolefinske prevleke (3-slojni PE in 3-slojni PP) (ISO 21809-1:2011)Erdöl und Erdgasindustrie - Umhüllungen für erd- und wasserverlegte Rohrleitungen in Transportsystemen - Teil 1: Polyolefinumhüllungen (3-Lagen-PE und 3-Lagen-PP) (ISO 21809-1:2011)Industries du pétrole et du gaz naturel - Revetements externes des conduites enterrées et immergées utilisées dans les systemes de transport par conduites - Partie 1: Revetements a base de polyoléfines (PE tri couche et PP tri couche) (ISO 21809-1:2011)Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems - Part 1: Polyolefin coatings (3-layer PE and 3-layer PP) (ISO 21809-1:2011)75.200Petroleum products and natural gas handling equipment25.220.99Druge obdelave in prevlekeOther treatments and coatingsICS:Ta slovenski standard je istoveten z:EN ISO 21809-1:2011SIST EN ISO 21809-1:2012en,fr01-januar-2012SIST EN ISO 21809-1:2012SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN ISO 21809-1
July 2011 ICS 75.200 English Version
Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems - Part 1: Polyolefin coatings (3-layer PE and 3-layer PP) (ISO 21809-1:2011)
Industries du pétrole et du gaz naturel - Revêtements externes des conduites enterrées ou immergées utilisées dans les systèmes de transport par conduites - Partie 1: Revêtements à base de polyoléfines (PE tricouche et PP tricouche) (ISO 21809-1:2011)
Erdöl und Erdgasindustrie - Umhüllungen für erd- und wasserverlegte Rohrleitungen in Transportsystemen - Teil 1: Polyolefinumhüllungen (3-Lagen-PE und 3-Lagen-PP) (ISO 21809-1:2011) This European Standard was approved by CEN on 30 June 2011.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 21809-1:2011: ESIST EN ISO 21809-1:2012

Reference numberISO 21809-1:2011(E)© ISO 2011
INTERNATIONAL STANDARD ISO21809-1First edition2011-07-01Petroleum and natural gas industries — External coatings for buried or submerged pipelines used in pipeline transportation systems — Part 1: Polyolefin coatings (3-layer PE and 3-layer PP) Industries du pétrole et du gaz naturel — Revêtements externes des conduites enterrées ou immergées utilisées dans les systèmes de transport par conduites — Partie 1: Revêtements à base de polyoléfines (PE tricouche et PP tricouche)
ISO 21809-1:2011(E)
©
ISO 2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 • CH-1211 Geneva 20 Tel.
+ 41 22 749 01 11 Fax
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ii © ISO 2011 – All rights reserved
ISO 21809-1:2011(E) © ISO 2011 – All rights reserved iii Contents Page Foreword.v Introduction.vi 1 Scope.1 2 Conformance.1 2.1 Rounding.1 2.2 Compliance to standard.1 3 Normative references.1 4 Terms and definitions.3 5 Symbols and abbreviated terms.6 5.1 Symbols.6 5.2 Abbreviations.6 6 Information supplied by the purchaser.7 6.1 General information.7 6.2 Additional information.7 7 Coating classification.8 7.1 General.8 7.2 Coating classes.8 7.3 Coating thickness classes.8 8 Coating materials.9 8.1 Composition of the coating system.9 8.2 Qualification of the coating materials.9 8.3 Batch certificate.11 8.4 Storage and handling of coating materials.13 9 Coating system qualification.13 9.1 General.13 9.2 Application procedure specification.13 9.3 Procedure qualification trial.15 9.4 Inspection and testing plan.15 10 Application of the coating system.15 10.1 Surface preparation.15 10.2 Coating application.16 10.3 Cutback.16 11 Inspection and testing.17 11.1 General.17 11.2 Retesting.18 12 Coating repairs.19 13 Marking.19 13.1 General.19 13.2 Required markings.19 14 Handling and storage in the applicators facilities.19 14.1 Handling.19 14.2 Storage.20 15 Test reports and certificate of compliance.20 SIST EN ISO 21809-1:2012

ISO 21809-1:2011(E) iv © ISO 2011 – All rights reserved Annex A (normative)
Inspection of thickness.21 Annex B (normative)
Holiday detection test.22 Annex C (normative)
Peel strength test.23 Annex D (normative)
Thermal analysis of epoxy and cured epoxy coating film.28 Annex E (normative)
Impact test.33 Annex F (normative)
Indentation test.35 Annex G (normative)
UV ageing test and thermal ageing test.36 Annex H (normative)
Cathodic disbondment test.39 Annex I (normative)
Flexibility test.43 Annex J (normative)
Gel time of the epoxy powder.45 Annex K (normative)
Total volatile/moisture content of the epoxy powder — Mass loss.47 Annex L (normative)
Procedure qualification trial, inspection and testing plan and daily log.49 Annex M (normative)
Hot water immersion test.50 Annex N (normative)
Density of epoxy powder.52 Bibliography.54
ISO 21809-1:2011(E) © ISO 2011 – All rights reserved v Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 21809-1 was prepared by Technical Committee ISO/TC 67, Materials, equipment and offshore structures for petroleum, petrochemical and natural gas industries, Subcommittee SC 2, Pipeline transportation systems. ISO 21809 consists of the following parts, under the general title Petroleum and natural gas industries — External coatings for buried or submerged pipelines used in pipeline transportation systems: ⎯ Part 1: Polyolefin coatings (3-layer PE and 3-Layer PP) ⎯ Part 2: Fusion-bonded epoxy coatings ⎯ Part 3: Field joint coatings ⎯ Part 4: Polyethylene coatings (2-layer PE) ⎯ Part 5: External concrete coatings A Part 6 dealing with multilayer fusion-bonded epoxy coatings (FBE), a Part 7 dealing with liquid coatings, a Part 8 dealing with thermal insulation coatings, and a Part 9 dealing with epoxy polyamide powder coatings (2-layer) are under preparation.
ISO 21809-1:2011(E) vi © ISO 2011 – All rights reserved Introduction It is necessary that users of this part of ISO 21809 be aware that further or differing requirements can be required for individual applications. This part of ISO 21809 is not intended to inhibit a vendor from offering, or the purchaser from accepting, alternative equipment or engineering solutions for the individual application. This can be particularly applicable where there is innovative or developing technology. Where an alternative is offered, it is the responsibility of the vendor to identify any variations from this part of ISO 21809 and provide details.
INTERNATIONAL STANDARD ISO 21809-1:2011(E) © ISO 2011 – All rights reserved 1 Petroleum and natural gas industries — External coatings for buried or submerged pipelines used in pipeline transportation systems — Part 1: Polyolefin coatings (3-layer PE and 3-layer PP) 1 Scope This part of ISO 21809 specifies requirements of plant-applied external three-layer polyethylene- and polypropylene-based coatings for corrosion protection of welded and seamless steel pipes for pipeline transportation systems in the petroleum and natural gas industries in accordance with ISO 13623. NOTE Pipes coated in accordance with this part of ISO 21809 are considered suitable for further protection by means of cathodic protection. 2 Conformance 2.1 Rounding Unless otherwise stated in this part of ISO 21809, to determine conformance with the specified requirements, observed or calculated values shall be rounded to the nearest unit in the last right-hand place of figures used in expressing the limiting value, in accordance with ISO 80000-1. NOTE For the purpose of this provision, the rounding method of ASTM E29 is equivalent to ISO 80000-1. 2.2 Compliance with standard A quality system and an environmental management system should be applied to assist compliance with the requirements of this part of ISO 21809. NOTE ISO/TS 29001 gives sector-specific guidance on quality management systems and ISO 14001 gives guidance on the selection and use of an environmental management system. The applicator shall be responsible for complying with all the applicable requirements of this part of ISO 21809. The purchaser shall be allowed to make any investigations necessary to ensure compliance by the applicator and to reject any material and/or coating that does not comply. 3 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 179-1, Plastics — Determination of Charpy impact properties — Part 1: Non-instrumented impact test SIST EN ISO 21809-1:2012

ISO 21809-1:2011(E) 2 © ISO 2011 – All rights reserved ISO 179-2, Plastics — Determination of Charpy impact properties — Part 2: Instrumented impact test ISO 306, Plastics — Thermoplastic materials —Determination of Vicat softening temperature (VST) ISO 527-2, Plastics —Determination of tensile properties — Part 2: Test conditions for moulding and extrusion plastics ISO 527-3, Plastics —Determination of tensile properties — Part 3: Test conditions for films and sheets ISO 868, Plastics and ebonite — Determination of indentation hardness by means of a durometer (Shore hardness) ISO 1133, Plastics — Determination of the melt mass-flow rate (MFR) and the melt volume-flow rate (MVR) of thermoplastics ISO 1183 (all parts), Plastics — Methods for determining the density of non-cellular plastics
ISO 1872-2, Plastics — Polyethylene (PE) moulding and extrusion materials — Part 2: Preparation of test specimens and determination of properties ISO 1873-2, Plastics — Polypropylene (PP) moulding and extrusion materials — Part 2: Preparation of test specimens and determination of properties ISO 2808, Paints and varnishes — Determination of film thickness ISO 2811 (all parts), Paint and varnishes — Determination of density ISO 3251, Paints, varnishes and plastics — Determination of non-volatile matter content ISO 4892-2:2006, Plastics — Methods of exposure to laboratory light sources — Part 2: Xenon-arc lamps ISO 8130-2, Coating powders — Part 2: Determination of density by gas comparison pyknometer (referee method) ISO 8130-3, Coating powders — Part 3: Determination of density by liquid displacement pyknometer
ISO 8501-1:2007 Preparation of steel substrates before application of paints and related products — Visual assessment of surface cleanliness — Part 1: Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings ISO 8502-3, Preparation of steel substrates before application of paints and related products — Test for the assessment of surface cleanliness — Part 3: Assessment of dust on steel surfaces prepared for painting (pressure-sensitive tape method) ISO 8502-6, Preparation of steel substrates before application of paints and related products — Test for the assessment of surface cleanliness — Part 6: Extraction of soluble contaminant for analysis — The Bresle method ISO 8502-9, Preparation of steel substrates before application of paints and related products — Tests for the assessment of surface cleanliness — Part 9: Field method for the conductometric determination of water-soluble salts ISO 8503-4, Preparation of steel substrates before application of paints and related products — Surface roughness characteristics of blast-cleaned steel substrates — Part 4: Method for the calibration of ISO surface profile comparators and for the determination of surface profile — Stylus instrument procedure ISO 8503-5, Preparation of steel substrates before application of paints and related products — Surface roughness characteristics of blast-cleaned steel substrates — Part 5: Replica tape method for the determination of the surface profile ISO 10474:1991, Steel and steel products — Inspection documents SIST EN ISO 21809-1:2012

ISO 21809-1:2011(E) © ISO 2011 – All rights reserved 3 ISO 11124 (all parts), Preparation of steel substrates before application of paints and related products — Specifications for metallic blast-cleaning abrasives ISO 11126 (all parts), Preparation of steel substrates before application of paints and related products — Specifications for non-metallic blast-cleaning abrasives ISO 11127-6, Preparation of steel substrates before application of paints and related products — Test methods for non–metallic blast cleaning abrasives — Part 6: Determination of water-soluble contaminants by conductivity measurement ISO 11357 (all parts), Plastics — Differential scanning calorimetry (DSC) ISO 13623, Petroleum and natural gas industries — Pipeline transportation systems ISO 15512, Plastics — Determination of water content ISO 80000-1, Quantities and units — Part 1: General AS 3894-6, Site testing of protective coatings — Determination of residual contaminants ASTM D7921), Standard Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement ASTM D1505, Standard Test Method for Density of Plastics by the Density-Gradient Technique ASTM D1693, Standard Test Method for Environmental Stress-Cracking of Ethylene Plastics ASTM D4138, Standard Practice for Measurement of Dry Film Thickness of Protective Coating Systems by Destructive, Cross-Sectioning Means ASTM D4940, Standard Test Method for Conductimetric Analysis of Water Soluble Ionic Contamination of Blasting Abrasives EN 10204:20042), Metallic materials — Types of inspection documents SSPC-AB 1, Mineral and Slag Abrasives SSPC-AB 2, Cleanliness of Recycled Ferrous Metallic Abrasives SSPC-AB 3, Ferrous Metallic Abrasive SSPC-SP 13), Solvent Cleaning 4 Terms and definitions For the purposes of this document, the following terms and definitions apply. 4.1 adhesion bond between coating and substrate after environmental testing
1) American Society for Testing and Materials, 100 Harbour Drive, West Conshohocken, PA 19428-2959, USA. 2) CEN, European Committee for Standardization, Central Secretariat, Rue de Stassart 36, B-1050, Brussels, Belgium. 3) Society for Protective Coatings, 40 24th Street, 6th Floor, Pittsburg, PA 15222-4656, USA. SIST EN ISO 21809-1:2012

ISO 21809-1:2011(E) 4 © ISO 2011 – All rights reserved 4.2 applicator company that undertakes the coating application in accordance with the provisions of this part of ISO 21809 NOTE If the compounding of the top layer is done prior to or during the application process by the applicator, then the applicator is regarded as the manufacturer (see 4.13). 4.3 application procedure specification APS document describing procedures, methods, equipment and tools used for coating application 4.4 batch quantity of material produced in a continuous manufacturing operation using raw materials of the same source and grade 4.5 batch certificate certificate of analysis issued by the manufacturer 4.6 certificate of compliance document issued in accordance with ISO 10474 or EN 10204, stating compliance with the purchase order for coated pipes, but without mention of any test results, issued in accordance with the purchasing requirements 4.7 cutback length of pipe left uncoated at each end for joining purposes 4.8 design temperature range temperature range including maximum and minimum temperatures likely to be reached during transport, handling, installation and operation
NOTE The design temperature range of the coating may be narrower than that specified for the steel pipe material and/or the pipeline system. 4.9 end user company (companies) that own(s) and/or operate(s) 4.10 holiday coating discontinuity that exhibits electrical conductivity when exposed to a specific voltage 4.11 inspection certificate 3.1.B inspection certificate 3.1 document in accordance with ISO 10474 or EN 10204 giving the results of the testing of coated pipes, supplied and signed by a representative of the applicator authorized to issue such documents 4.12 inspection and testing plan ITP document providing an overview of the sequence of inspections and tests, including appropriate resources and procedures SIST EN ISO 21809-1:2012

ISO 21809-1:2011(E) © ISO 2011 – All rights reserved 5 4.13 manufacturer company responsible for the manufacture of coating material(s) 4.14 manufacturer's specification document that specifies the characteristics, test requirements and application recommendations for the coating materials 4.15 operating temperature maximum and/or minimum temperature that can be endured by a pipeline (component) and/or pipeline system during operation, and that shall be within the design temperature range 4.16 peel strength force required for peeling the coating from the substrate 4.17 pipe diameter length any length along the pipe axis equal to the specified outside diameter of the pipe 4.18 pipeline those facilities through which fluids are conveyed, including pipe, pig traps, components and appurtenances, up to and including the isolating valves NOTE Adapted from ISO 13623:2009, definition 3.14. 4.19 pipeline system pipeline with compressor or pump stations, pressure control stations, flow control stations, metering, tankage, supervisory control and data acquisition system (SCADA), safety systems, corrosion protection systems, and any other equipment, facility or building used in the transportation of fluids NOTE Adapted from ISO 13623:2009, definition 3.16. 4.20 procedure qualification trial PQT application of a coating and subsequent inspection/testing of its properties, to confirm that the APS is adequate to produce a coating with the specified properties, carried out prior to the start of production 4.21 purchaser company responsible for providing the purchase order requirements 4.22 test report document that provides the quantitative test results for tests conducted in accordance with the requirements of this part of ISO 21809 4.23 total coating thickness sum of all three layers SIST EN ISO 21809-1:2012

ISO 21809-1:2011(E) 6 © ISO 2011 – All rights reserved 5 Symbols and abbreviated terms 5.1 Symbols C percentage conversion of FBE coating d effective sample thickness, expressed in millimetres D outside diameter of the pipe, expressed in millimetres ∆H exothermic heat of reaction, expressed in Joules per gram M mass, expressed in kilograms or grams Pm mass of pipe per metre length, expressed in kilograms per metre dQ/dt differential heat flow, expressed in watts per square metre r mandrel radius, expressed in millimetres RMF melt flow rate, expressed in grams per 10 minutes Tg glass transition temperature, expressed in degrees Celsius ∆Tg difference in the glass transition temperature between two successive thermal analysis scans, expressed in degrees Celsius wm mass fraction of moisture, expressed as a percentage p density of the epoxy powder, expressed in grams per litre 5.2 Abbreviations APS application procedure specification DSC differential scanning calorimetry ESCR environmental stress cracking resistance FBE fusion-bonded epoxy HDPE high-density polyethylene IR infrared ITP inspection and testing plan LDPE low-density polyethylene MDPE medium-density polyethylene MFR melt flow rate NPS nominal pipe size PDL pipe diameter length
PE polyethylene PP polypropylene PPT preproduction trial PQT procedure qualification trial SIST EN ISO 21809-1:2012

ISO 21809-1:2011(E) © ISO 2011 – All rights reserved 7 SAW submerged arc welding UV ultraviolet 3LPE three-layer polyethylene coating 3LPO three-layer polyolefin coating 3LPP three-layer polypropylene coating 6 Information supplied by the purchaser 6.1 General information The purchase order shall include the following information: ⎯ number of this part of ISO 21809 and year of publication (ISO 21809-1:2011); ⎯ pipe quantity, outside diameter, minimum wall thickness, minimum, maximum and nominal length, grade of steel; ⎯ bare pipe standard or specification designation, e.g. ISO 3183; ⎯ design temperature range in accordance with 7.2; ⎯ coating class and coating thickness class in accordance with 7.2 and 7.3; ⎯ cutback configuration and finish (length, angle, visible epoxy, temporary protection, etc.); ⎯ type of certificate of compliance. 6.2 Additional information The purchase order shall specify which of the following provisions apply for the specific item ordered: ⎯ pipe tracking and traceability of pipes to coating materials; ⎯ permissible number of coating repairs, if different from the one defined in Clause 12; ⎯ marking of pipes; ⎯ handling procedures; ⎯ storage procedures; ⎯ documentation and schedule for supply of documentation; ⎯ purchaser approval of APS; ⎯ inspection and testing plan and/or daily log; ⎯ inspection of incoming pipes; ⎯ pipe end protection; ⎯ minimum thickness of epoxy layer and/or total coating thickness required, if exceeding those in Table 2 and Table 9, respectively; SIST EN ISO 21809-1:2012

ISO 21809-1:2011(E) 8 © ISO 2011 – All rights reserved ⎯ surface profile of PE/PP coating (e.g. prior to concrete weight coating or special laying methods); ⎯ surface pretreatment; ⎯ special requirements relative to supply of coating materials (e.g. FBE or liquid, manufacturer-specific products and certification); ⎯ methods, frequency and acceptance criteria for inspection and testing differing from this part of ISO 21809; ⎯ procedure qualification trial (PQT); ⎯ protection against adverse ambient conditions during storage. 7 Coating classification 7.1 General Coating class shall be selected based on the design temperature range and expected field duty. Coating thickness class shall be selected based on transport, handling, laying conditions and the expected operating and environmental conditions. 7.2 Coating classes The coating shall be capable of withstanding the temperature range required, as shown in Table 1. The coating class shall be specified in the purchase order. Table 1 — Coating classes and design temperature ranges Coating class A B Ca Top layer material LDPE MDPE/HDPE PP Design temperature ranges (°C) −20 to +60 −40 to +80 −20 to +110 a Installation and transportation at temperatures below 0 °C can cause mechanical damage.
Use of coating classes outside these guidelines shall be approved by the purchaser or end user. 7.3 Coating thickness classes Coating thickness class shall be selected by the purchaser or end user based on installation and service conditions and pipe dimensions. The coating thickness class, as shown in Table 2 as a function of coating class and pipe weight, shall be specified in the purchase order. SIST EN ISO 21809-1:2012

ISO 21809-1:2011(E) © ISO 2011 – All rights reserved 9 Table 2 — Minimum total coating thickness Total coating thicknessa mm Pm kg/m Class A1b Class A2c Class A3d Class B1b Class B2c Class B3d Class C1b Class C2c Class C3d Pm ≤ 15 1,8 2,1 2,6 1,3 1,8 2,3 1,3 1,7 2,1 15 < Pm ≤ 50 2,0 2,4 3,0 1,5 2,1 2,7 1,5 1,9 2,4 50 < Pm ≤ 130 2,4 2,8 3,5 1,8 2,5 3,1 1,8 2,3 2,8 130 < Pm ≤ 300 2,6 3,2 3,9 2,2 2,8 3,5 2,2 2,5 3,2 300 < Pm 3,2 3,8 4,7 2,5 3,3 4,2 2,5 3,0 3,8 a The required total coating thickness may be reduced by a maximum of 10 % on the weld seam for SAW-welded pipes. b Class 1 is for light duty (onshore sandy soil). c Class 2 is for moderate duty (clay soils, absence of backfill). d Class 3 is for heavy duty (rocky soil or offshore).
Use of thickness classes outside of these guidelines shall be approved by the purchaser or end user. 8 Coating materials 8.1 Composition of the coating system The coating system shall consist of three layers: ⎯ 1st layer: epoxy; ⎯ 2nd layer: adhesive; ⎯ 3rd layer: PE/PP top layer. 8.2 Qualification of the coating materials 8.2.1 General requirements The manufacturer shall qualify each type of coating material in compliance with the requirements of this part of ISO 21809. The qualification shall be repeated in case of changes in the material composition, changes in the production process which influence the material processing behaviour and change in production facility. The manufacturer shall carry out and report the material qualification in accordance with the requirements of Clause 8 and Tables 3, 4 and 5. The test report shall contain the results of the qualification tests and the data required in Table 6. The applicator receiving the manufacturer's test report shall verify that it meets the requirement of this part of ISO 21809. 8.2.2 Epoxy material The applicator shall use epoxy material that is in accordance with Table 3. SIST EN ISO 21809-1:2012

ISO 21809-1:2011(E) 10 © ISO 2011 – All rights reserved Table 3 — Requirements for the epoxy material Liquid mono-componenta or bi-component epoxy Requirements Properties Unit Test method Class A and Class B Class C Density g/l ISO 2811 (all parts) Within ±0,05 of the manufacturer's specified nominal value Solid content of base and hardener% mass
ISO 3251 In accordance with manufacturer's specification Minimum glass transition temperature (Tg2) (DSC analysisb) °C ISO 11357 (all parts) ≥95 and within manufacturer's specification At least 5 above maximum pipeline design temperature with a minimum of 95Gel time at 205 °C ± 3 °C s Manufacturer's specification Within the 20 % of the nominal values specified by the manufacturer Epoxy powder (FBE) Requirements Properties Unit Test method Class A and Class B Class C Moisture content % mass Annex K ≤0,6 Minimum glass transition temperature (Tg2) (DSC analysisb)°C Annex D ≥95 and within manufacturer's specification At least 5 above maximum pipeline design temperature with a minimum of 95 Gel time at 205 °C ± 3 °C s Annex J Within 20 % of the nominal value specified by the manufacturer Density g/l Annex N
Within ±0,05 of the manufacturer's specified nominal value a Liquid mono-component is limited to Class A only. b Curing condition (procedure as per manufacturer's specification). 8.2.3 Adhesive material The applicator shall use adhesive material that is in accordance with Table 4. Table 4 — Requirements for the adhesive material (copolymeric or grafted adhesive in pellet or powder form) Requirements Properties Unit Test method Class A Class B Class C Elongation at break at 23 °C ± 2 °Ca % ISO 527-2 or ISO 527-3 ≥600 ≥600 ≥400 Tensile yield strength at
23 °C ± 2 °Ca MPa ISO 527-2 or ISO 527-3 ≥5 ≥8 ≥12 Notched impact strength at minimum class temperature kJ/m2 ISO 179-1 or ISO 179-2 — — ≥3 Vicat softening temperature A/50 (9,8 N) °C ISO 306 ≥60 ≥85 ≥110 Water content % ISO 15512 ≤0,1 ≤0,1 ≤0,1 a 2 mm-thick compression-moulded sheet, test specimen type according to ISO 527-3, strained at 50 mm/min (for PP-based adhesives, the specimen can also be prepared by injection moulding according to ISO 1873-2). SIST EN ISO 21809-1:2012

ISO 21809-1:2011(E) © ISO 2011 – All rights reserved 11 8.2.4 PE/PP top layer material The applicator shall use PE/PP material that is in accordance with Table 5. Table 5 — Minimum requirements for PE/PP top layer Requirements Properties Unit Test method Class A Class B Class C Density of the base resin g/cm3 ISO 1183 (all parts) or ASTM D792 or ASTM D1505 ≥0,920 ≥0,930 ≥0,890 Elongation at break at 23 °C ± 2 °C a % ISO 527-2 or ISO 527-3 ≥600 ≥600 ≥400 Tensile yield strength at 23 °C ± 2 °C a MPa ISO 527-2 or ISO 527-3 ≥10 ≥15 ≥20 Charpy impact strength, notched at minimum class temperature kJ/m2 ISO 179-1 — — ≥3 Vicat softening temperature A/50 (9,8 N) °C ISO 306 ≥95 ≥110 ≥130 Water content % ISO 15512 ≤0,05 ≤0,05 ≤0,05 Hardness Shore D — ISO 868 ≥50 ≥55 ≥60 ESCR
(50 °C, F50, Cond. A: 10 % Igepal CO630,
or Cond. B:
100 % Igepal CO630)b,c H ASTM D1693 ≥300 Cond. A ≥1 000 Cond. A or ≥300 Cond. B if density >0,955 N.A. Oxidation induction time (intercept in the tangent method) min ISO 11357 (all parts) ≥30 at 210 °C ≥30 at 210 °C or ≥10 at 220 °C ≥30 at 220 °C UV resistance and thermal ageingc % Annex G ∆MFR ≤ 35 ∆MFR ≤ 35 ∆MFR ≤ 35 a Preparation of the test specimen in accordance with ISO 1872-2 for PE and ISO 1873-2 for PP (2 mm thickness), strained at 50 mm/min. b In order to validate the ESCR values, data shall be provided by manufacturers to define the limit in density (MFR) to pass that requirement. This limit shall not be wider than what is commonly known as fit-for-purpose PE grades for pipe coating. c Choice of test condition should be with approval of end user.
If the compounding is done during the application process, the applicator shall perform the qualification tests for the product in accordance with Table 5. The batch certificate, produced in accordance with Table 6, shall be issued. NOTE The applicator sometimes performs compounding with additives against UV and thermal ageing or other purposes. 8.3 Batch certificate 8.3.1 The applicator shall provide batch certificates supplied by the manufacturer of each material and shall contain the information given in Table 6. The batch certificate shall state test methods and acceptance criteria. The applicator shall identify the materials and shall confirm that the certificates comply and relate to the specified materials. SIST EN ISO 21809-1:2012

ISO 21809-1:2011(E) 12 © ISO 2011 – All rights reserved Table 6 — Batch certificate Coating material Content Liquid epoxy FBE Adhesive PE/PP top coat Identification of the manufacturer x x x x Product identification x x x x Batch identification x x x x Date and place of manufacturing x x x x Density x x x x Viscosity of base and hardener x
Solid content of base and hardener x
Melt flow rate
x x Gel time x x
Particle size
x
Moisture/water content
x x x Carbon black content
Only PEa Pigment dispersion
xa Thermal characteristic x x
Reactive site content
xb
a If applicable. b Direct and indirect methods can be proposed by the manufacturer.
8.3.2 The manufacturer's specification for epoxy materials shall include the following: ⎯ trade name; ⎯ generic type; ⎯ mix ratio (if any); ⎯ maximum thickness, expressed in millimetres or micrometres (see Annex A); ⎯ maximum and minimum storage temperatures, expressed in degrees Celsius; ⎯ shelf-life at storage temperature, expressed in months; ⎯ technical properties, in accordance with Table 3. 8.3.3 The manufacturer's specification for adhesive and PE/PP materials shall include the following: ⎯ trade name; ⎯ description of the adhesive; ⎯ colour; ⎯ maximum and minimum storage temperatures, expressed in degrees Celsius;
⎯ shelf-life at storage temperature, expressed in months; ⎯ technical properties, in accordance with Tables 4 and 5. SIST EN ISO 21809-1:2012

ISO 21809-1:2011(E) © ISO 2011 – All rights reserved 13 8.4 Storage and handling of coating materials Storage and handling of coating materials shall be in accordance with the manufacturer's specification. 9 Coating system qualification 9.1 General Each coating system shall be qualified by the applicator. Qualification shall be carried out separately for each coating line. The applicator shall carry out and report the coatings qualification in accordance with the requirements of this part of ISO 21809. The test report shall contain the results of the qualification tests and data required in Tables 6, 7 and 8. The applicator shall apply coating materials qualified in accordance with the requirements of 8.2. Qualification shall be repeated in case of modifications to the coating line, coating materials or application procedures. 9.2 Application procedure specification Prior to the start of coating production and any specified PQT, the applicator shall prepare an APS, including: ⎯ incoming inspection of pipes and pipe tracking; ⎯ data sheets for coating materials, including any materials used for coating repairs; ⎯ data sheets for abrasive blasting materials; ⎯ certification, receipt, handling and storage of materials for coating and abrasive blasting; ⎯ cleaning procedure for all application equipment; ⎯ preparation of the steel surface including monitoring of environmental parameters, methods and tools for inspection, grinding of pipe surface defects and testing of surface preparation; ⎯ coating application, including tools/equipment for control of process parameters essential for the quality of the coating; ⎯ lay-out sketch or flow diagram for the coating plant; ⎯ methods and tools/equipment for inspection and testing of the applied coating; ⎯ repairs of coating defects and any associated inspection and testing; ⎯ stripping of defective coating; ⎯ preparation of coating cutback areas; ⎯ marking and traceability; ⎯ handling and storage of pipes; ⎯ any special conditions for dispatch of coated pipes, including protection of pipe ends; ⎯ documentation. SIST EN ISO 21809-1:2012

ISO 21809-1:2011(E) 14 © ISO 2011 – All rights reserved The APS shall cover all items associated with quality control as defined in this part of ISO 21809 and any agreed amendments. It shall be available to the purchaser on request at any time during production. If specified, the APS, including any revisions, shall be approved by the purchaser prior to the start of production and any specified PQT. Table 7 — Properties of the applied coating Properties Unit Test methodClass A Class B Class C Continuity — Annex B Free of defects and discontinuities, delaminations,separations and holidays Impact strength at 23 °C ± 3 °Ca J/mm Annex E >5 >7 >10 at 23 °C ± 3 °C ≤0,3 ≤0,2 ≤0,1 Indentation at maximum design temperature mm Annex F ≤0,4 ≤0,4 ≤0,4 Elongation at break of PE/PP at 23 °C ± 3 °Cb % ISO 527-3 ≥400 ≥400 ≥400 Peel strengthb,c,d,h N/mm Annex C C.5 (hanging mass) ≥10 at ≥23 °C ≥2 at ≥60 °C ≥15 at ≥23 °C ≥3 at ≥80 °C ≥25 at ≥23 °C ≥4 at ≥90 °C or at maximum operating temperature if above 90 °C Degree of cure of the epoxy (
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