GB/T 8813-2020: Rigid cellular plastics--Determination of compression properties

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Scope

This Standard specifies methods for determining the following parameters:
a) Compressive strength and relative deformation; or
b) Compressive stress at 10% relative deformation; and
c) Compression modulus of rigid cellular plastics, if needed.
There are two methods:
-- Method A uses beam displacement to determine compression properties.
When it is necessary to determine the compressive stress at 10% relative
deformation, use Method A.
-- Method B uses a strain measurement device (contact extensometer) or a
similar device that is fixed on the sample to directly measure the
deformation of the sample. When it is necessary to determine the
compression modulus, use Method B.
Note: Both method A and method B can determine the compressive strength
(at maximum load).

Basic Data

Standard ID	GB/T 8813-2020 (GB/T8813-2020)
Description (Translated English)	Rigid cellular plastics--Determination of compression properties
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	G31
Classification of International Standard	83.100
Word Count Estimation	10,160
Date of Issue	2020-07-21
Date of Implementation	2021-02-01
Older Standard (superseded by this standard)	GB/T 8813-2008
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration