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GB/T 42519-2023Rubber - Standard reference elastomers (SREs) for characterizing the effect of liquids on vulcanized rubbers (English PDF)

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

May 23, 2023

Implementation date

December 1, 2023

Scope

GB/T 42519-2023 (Rubber - Standard reference elastomers (SREs) for characterizing the effect of liquids on vulcanized rubbers) is available as an English-translated PDF.

GB/T 42519-2023 is the Chinese standard "Rubber - Standard reference elastomers (SREs) for characterizing the effect of liquids on vulcanized rubbers".

Its scope clause reads: This document specifies requirements for standard sheet vulcanizates for characterizing resistance to test and operating fluids: This document is not intended to provide compositional formulations of elastomeric products for practical application:.

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Document preview — GB/T 42519-2023

National Standard of the People's Republic of China

ICS: 83.060
Classification: G 40

Issued by: State Administration for Market Regulation, China National Standardization Administration

Preface
Introduction
1 Scope
2 Normative references
3 Terms and Definitions
4 Composition Recipe
5 sample preparation
6 Description
7 Test piece performance
8 named
9 storage
Appendix A (Normative) Acrylic Rubber: SRE-ACM/1 and SRE-ACM/1X
Appendix B (Normative) Acrylonitrile-butadiene rubber: SRE-NBR28/P and SRE-NBR28/PX
Appendix C (Normative) Acrylonitrile-butadiene rubber: SRE-NBR28/S, SRE-NBR28/SX, SRE-NBR34/S and
Appendix D (Normative) Acrylonitrile-butadiene rubber: SRE-NBR/M
Appendix E (Normative) Acrylonitrile-butadiene rubber: SRE-NBR/L
Appendix F (Normative) Chlorinated butyl rubber: SRE-CIIR/1
Appendix G (Normative) Neoprene: SRE-CR/1
Appendix H (Normative) Ethylene-Propylene Rubber: SRE-EPM/1
Appendix I (Normative) Viton: SRE-FKM/1
Appendix J (Normative) Viton: SRE-FKM/2X
Appendix K (Normative) Hydrogenated Acrylonitrile-Butadiene Rubber: SRE-HNBR/1 and SRE-HNBR/1X
Appendix L (Normative) Natural Rubber: SRE-NR/1
Appendix M (Normative) Silicone Rubber: SRE-MQ/1
Appendix N (Normative) Silicone Rubber: SRE-VMQ/1 and SRE-VMQ/1X

1 Scope

This document specifies requirements for standard sheet vulcanizates for characterizing resistance to test and operating fluids:

This document is not intended to provide compositional formulations of elastomeric products for practical application:

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references

For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document:

GB/T 533-2008 Determination of density of vulcanized rubber or thermoplastic rubber (ISO 2781:2007, IDT)

Note: GB/T 528-2009 Determination of tensile stress-strain properties of vulcanized rubber or thermoplastic rubber (ISO 37:2005, IDT)

ISO 48 Determination of hardness of vulcanized rubber or thermoplastic rubber (10IRHD~100IRHD) [Rubber, vulcanizedor

Note: GB/T 6031-2017 Determination of hardness of vulcanized rubber or thermoplastic rubber (10IRHD~100IRHD) (ISO 48:2010, IDT)

Note: GB/T 1690-2010 Test method for liquid resistance of vulcanized rubber or thermoplastic rubber (ISO 1817:2005, MOD)

Note: GB/T 20739-2006 Guidelines for Storage of Rubber Products (ISO 2230:2002, IDT)

ISO 2393 Rubber test compound batching, mixing and vulcanization equipment and operating procedures (Rubbertestmixes-

Note: GB/T 6038-2006 Rubber test rubber batching, mixing and vulcanization equipment and operating procedures (ISO 2393:1994, MOD)

ISO 7619-1 Test methods for indentation hardness of vulcanized or thermoplastic rubber - Part 1: Shore durometer method (Shore hardness)

Note: GB/T 531:1-2008 Test method for indentation hardness of vulcanized rubber or thermoplastic rubber Part 1: Shore durometer method (Shore hardness) (ISO 7619-1:2004, IDT)

Note: GB/T 2941-2006 Rubber Physical Test Methods Specimen Preparation and Adjustment General Procedures (ISO 23529:2004, IDT)

GB/T 40720 | GB/T 40797 | GB/T 35858 | GB/T 47192 | GB/T 15340 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 72 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 2781 · ISO 37 · ISO 48 · ISO 1817 · ISO 2230 · ISO 2393 · ISO 7619 · GB/T 531 · ISO 23529

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