ASTM F2320-11
(Specification)Standard Specification for Rubber Insulating Sheeting
Standard Specification for Rubber Insulating Sheeting
ABSTRACT
This specification covers the acceptance testing of insulating rubber sheeting that are used as a covering for the personal protection of workers from accidental contact with live electrical conductors, apparatus, or circuits. The sheeting shall be made from any elastomer or combination of elastomeric compounds of natural or synthetic origin. Two types of sheeting, differing in chemical and physical characteristics, are provided and are designated as: Type I, non-resistant to ozone; and Type II, resistant to ozone. Six classes of sheeting, designated as Classes 00, 0, 1, 2, 3, and 4, are assigned according to electrical protection characteristics. Styles of sheeting are designated in accordance to construction characteristics, namely: Style A, sheeting free of any reinforcements; and Style B, sheeting incorporated with reinforcement(s). When evaluated in accordance with the test procedures detailed herein, the sheeting shall adhere to the following property requirements: electrical properties such as phase-phase maximum use voltage, AC and DC proof-test voltages, AC and DC dielectric breakdown test voltages, and AC and DC clearances; and physical and chemical properties such as ozone resistance, moisture absorption, and oil resistance, tensile strength, tension set, elongation, drape stiffness, flex stiffness, bursting strength, low temperature resistance, tear resistance, resistance to accelerated heat aging, flame resistance, shore hardness, and puncture resistance.
SCOPE
1.1 This specification covers testing of rubber insulating sheeting for use as a covering for the protection of workers from accidental contact with live electrical conductors, apparatus, or circuits.
1.2 Two types of sheeting, differing in chemical and physical characteristics, are provided and are designated as Type I, non-resistant to ozone and Type II, resistant to ozone.
1.3 Six classes of sheeting, differing in electrical protection characteristics are provided and designated as Class 00, Class 0, Class 1, Class 2, Class 3, Class 4.
1.4 Two styles of sheeting, differing in construction characteristics, are provided and are designated as Style A and Style B.
1.5 The follow safety hazards caveat applies only to the test method portion, Sections 17-19, of this specification. 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 and health practices and determine the applicability of regulatory requirements prior to use.
Note 1—Rubber Insulating Sheeting should remain flexible for use through normal temperature ranges.
Note 2—Rubber as used in this specification is a generic term that includes elastomers and elastomeric compounds, regardless of origin.
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Designation:F2320 −11
Standard Specification for
1
Rubber Insulating Sheeting
This standard is issued under the fixed designation F2320; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope D471 Test Method for Rubber Property—Effect of Liquids
D518 Test Method for Rubber Deterioration—Surface
1.1 This specification covers testing of rubber insulating
3
Cracking (Withdrawn 2007)
sheeting for use as a covering for the protection of workers
D570 Test Method for Water Absorption of Plastics
from accidental contact with live electrical conductors,
D751 Test Methods for Coated Fabrics
apparatus, or circuits.
D1048 Specification for Rubber Insulating Blankets
1.2 Two types of sheeting, differing in chemical and physi-
D1149 Test Methods for Rubber Deterioration—Cracking in
cal characteristics, are provided and are designated as Type I,
an Ozone Controlled Environment
non-resistant to ozone and Type II, resistant to ozone.
D1388 Test Method for Stiffness of Fabrics
D2136 Test Method for Coated Fabrics—Low-Temperature
1.3 Six classes of sheeting, differing in electrical protection
characteristics are provided and designated as Class 00, Class Bend Test
D2240 Test Method for Rubber Property—Durometer Hard-
0, Class 1, Class 2, Class 3, Class 4.
ness
1.4 Two styles of sheeting, differing in construction
2.2 Other Standards:
characteristics, are provided and are designated as StyleAand
MVSS 302 Motor Vehicle Safety Standard 302 Flammabil-
Style B.
4
ity of Interior Materials
1.5 The follow safety hazards caveat applies only to the test
UL214 Standard for Tests for Flame-Propagation of Fabrics
method portion, Sections 17-19, of this specification. This 5
and Films
standard does not purport to address all of the safety concerns,
ANSIC84.1 VoltageRatingsforElectricPowerSystemsand
if any, associated with its use. It is the responsibility of the user 6
Equipment (60 Hz)
of this standard to establish appropriate safety and health
practices and determine the applicability of regulatory require-
3. Terminology
ments prior to use.
3.1 Definitions:
NOTE 1—Rubber Insulating Sheeting should remain flexible for use 3.1.1 user—the entity employing the actual worker(s) uti-
through normal temperature ranges.
lizing the equipment; if no separate employer, then the indi-
NOTE 2—Rubber as used in this specification is a generic term that
vidual.
includes elastomers and elastomeric compounds, regardless of origin.
3.1.2 voltage, maximum use—the ac voltage (rms) classifi-
2. Referenced Documents
cation of the protective equipment that designates the maxi-
2
mum nominal design voltage of the energized system that may
2.1 ASTM Standards:
be safely worked. The nominal design voltage is equal to
D149 Test Method for Dielectric Breakdown Voltage and
phase-to-phase voltage on multiphase circuits.
DielectricStrengthofSolidElectricalInsulatingMaterials
3.1.2.1 Discussion—If there is no multiphase exposure in a
at Commercial Power Frequencies
system area, and the voltage exposure is limited to phase
D412 Test Methods forVulcanized Rubber andThermoplas-
(polarityondcsystems)togroundpotential,thephase(polarity
tic Elastomers—Tension
ondcsystems)togroundpotentialshallbeconsideredtobethe
nominal design voltage.
1
This specification is under the jurisdiction of ASTM Committee F18 on
Electrical Protective Equipment for Workers and is the direct responsibility of
3
Subcommittee F18.25 on Insulating Cover-Up Equipment. The last approved version of this historical standard is referenced on
Current edition approved May 1, 2011. Published June 2011. Originally www.astm.org.
4
approved in 2003. Last previous edition approved in 2003 as F2320–03. DOI: Available from the U.S. Department of Transportation, 400 7th Street SW,
10.1520/F2320-11. Room 6111, Mail Code: NSA-30, Washington, DC 20590.
2 5
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from Underwriters Laboratories (UL), Corporate Progress, 333
contactASTM Customer Service at service@astm.org. ForAnnual Book ofASTM Pfingsten Rd., Northbrook, IL 60062.
6
Standards volume information, refer to the standard’s Document Summary page on Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
the ASTM website. 4th Floor, New York, NY 10036.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
F2320−11
3.1.2.2 Discussion—If the electrical equipment and devices 5.1.1 Type I, non-resistant to ozone, made from any elasto-
are insulated
...
This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:F2320–03 Designation: F2320 – 11
Standard Specification for
1
Rubber Insulating Sheeting
This standard is issued under the fixed designation F2320; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This specification covers testing of rubber insulating sheeting for use as a covering for the protection of workers from
accidental contact with live electrical conductors, apparatus, or circuits.
1.2 Two types of sheeting, differing in chemical and physical characteristics, are provided and are designated as Type I,
non-resistant to ozone and Type II, resistant to ozone.
1.3 Six classes of sheeting, differing in electrical protection characteristics are provided and designated as Class 00, Class 0,
Class 1, Class 2, Class 3, Class 4.
1.4 Two styles of sheeting, differing in construction characteristics, are provided and are designated as Style A and Style B.
1.5 The follow safety hazards caveat applies only to the test method portion, Sections 17-19, of this specification. 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 and health practices and determine the applicability of regulatory requirements prior to
use.
NOTE 1—Rubber Insulating Sheeting should remain flexible for use through normal temperature ranges.
NOTE 2—Rubber as used in this specification is a generic term that includes elastomers and elastomeric compounds, regardless of origin.
2. Referenced Documents
2
2.1 ASTM Standards:
D149 Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials at
Commercial Power Frequencies
D412 Test Methods for Vulcanized Rubber and Thermoplastic ElastomersTension
D471 Test Method for Rubber PropertyEffect of Liquids
D518 Test Method for Rubber DeteriorationSurface Cracking
D570 Test Method for Water Absorption of Plastics
D751 Test Methods for Coated Fabrics
D1048 Specification for Rubber Insulating Blankets
D1149 Test Methods for Rubber DeteriorationCracking in an Ozone Controlled Environment
D1388 Test Method for Stiffness of Fabrics
D2136 Test Method for Coated FabricsLow-Temperature Bend Test
D2240 Test Method for Rubber PropertyDurometer Hardness
2.2 Other Standards:
3
MVSS 302 Motor Vehicle Safety Standard 302 Flammability of Interior Materials
4
UL 214 Standard for Tests for Flame-Propagation of Fabrics and Films
5
ANSI C84.1 Voltage Ratings for Electric Power Systems and Equipment (60 Hz)
3. Terminology
3.1 Definitions:
1
This specification is under the jurisdiction of ASTM Committee F18 on Electrical Protective Equipment for Workers and is the direct responsibility of Subcommittee
F18.25 on Insulating Cover-up Equipment.
Current edition approved Nov. 1, 2003. Published December 2003. DOI: 10.1520/F2320-03.on Insulating Cover-Up Equipment.
Current edition approved May 1, 2011. Published June 2011. Originally approved in 2003. Last previous edition approved in 2003 as F2320–03. DOI: 10.1520/F2320-11.
2
ForreferencedASTMstandards,visittheASTMwebsite,www.astm.org,orcontactASTMCustomerServiceatservice@astm.org.ForAnnualBookofASTMStandards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from the U.S. Department of Transportation, 400 7th Street SW, Room 6111, Mail Code: NSA-30, Washington, DC 20590.
4
Available from Underwriters Laboratories (UL), Corporate Progress, 333 Pfingsten Rd., Northbrook, IL 60062.
5
Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
---------------------- Page: 1 ----------------------
F2320 – 11
3.1.1 user—the entity employing the actual worker(s) utilizing the equipment; if no separate employer, then the individual.
3.1.2 voltage, maximum use—the ac voltage (rms) classification of the protective equipment that designates the maximum
nominal design voltage of the energized system that may be safely worked. The nominal design voltage is equal to phase-to-phase
voltage on multiphase circuits.
3.1.2.1 Discussion—If there is no multiphase exposure in a system area, and the voltage ex
...
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