GB/T 20671.3-2020: Classification system and test methods for nonmetallic gasket materials - Part 1: Standard classification system for nonmetallic gasket materials

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Scope

This Part of GB/T 20671 specifies the principle, instruments and apparatuses,
test samples, test procedures, test reports and precision of the method for
determining the degree of influence on the physical properties of nonmetallic
gasket materials after immersion in the test liquid.
This Part applies to the determination of the liquid resistance of Type 1, Type 2,
Type 3 and Type 7 materials which are described in GB/T 20671.1-2020.

Basic Data

Standard ID	GB/T 20671.3-2020 (GB/T20671.3-2020)
Description (Translated English)	Classification system and test methods for nonmetallic gasket materials - Part 1: Standard classification system for nonmetallic gasket materials
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	Q69
Classification of International Standard	23.100.60
Word Count Estimation	14,156
Date of Issue	2020-06-02
Date of Implementation	2021-04-01
Older Standard (superseded by this standard)	GB/T 20671.3-2006
Quoted Standard	GB/T 20671.1-2020; GB/T 20671.2; GB/T 20671.7-2006; GB/T 20671.8
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration
Summary	This standard specifies the principles, equipment, test samples, test procedures, test reports and precision of the method for determining the degree of influence of the physical properties of non-metallic gasket materials after being immersed in the test liquid. This standard is applicable to the determination of the liquid resistance of materials of type 1, type 2, type 3 and type 7 described in GB/T 20671.1-2020.