GB/T 533-2008: Rubber, vulcanized or thermoplastic -- Determination of density

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Scope

This standard specifies two methods for determining the density of solid vulcanized or
thermoplastic rubber.
This standard applies to the control of the quality of rubber compounds AND the
estimation of the amount of rubber compound, which is required to produce rubber
products of known volume.
This standard does not apply to the measurement of the relative density of rubber. The
relative density of rubber refers to the ratio -- of the mass of a certain volume of rubber
to the mass of an equal volume of pure water, at a certain temperature.

Basic Data

Standard ID	GB/T 533-2008 (GB/T533-2008)
Description (Translated English)	Rubber, vulcanized or thermoplastic -- Determination of density
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	G40
Classification of International Standard	83.060
Word Count Estimation	7,753
Date of Issue	2008-06-04
Date of Implementation	2008-12-01
Older Standard (superseded by this standard)	GB/T 533-1991
Adopted Standard	ISO 2781-2007, IDT
Regulation (derived from)	National Standard Approval Announcement 2008 No.9 (Total No.122)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies two methods of solid vulcanized rubber or thermoplastic rubber density. This standard applies to control the quality of the production mix and volume of rubber products known to estimate the feeding amount of glue needed, This standard does not apply to the measurement of relative density rubber, rubber relative density refers to the quality of a certain volume at a certain temperature rubber with an equal volume of pure water mass ratio.