GB/T 21988-2008
Plastics.Vinyl chloride homopolymer and copolymer resins.Sieve analysis in water (English Version)

Standard No.

GB/T 21988-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 21988-2008

Replace

GB/T 13453.1-1992

Scope

This standard specifies the method for sieve analysis and determination of vinyl chloride homopolymer and copolymer resin sieve residues in water. Controlling these characteristics helps ensure that feedstock is consistent with predicted processing properties. This standard applies to the determination of polyvinyl chloride homopolymer and copolymer resins, especially polyvinyl chloride resin residues by emulsion method and microsuspension method.

GB/T 21988-2008 Referenced Document

• GB/T 6005 Test sieves.Metal wire cloth,perforated metal plate and electroformed sheet.Nominal sizes of openings*， 2008-07-18 Update

GB/T 21988-2008 history

• 2008 GB/T 21988-2008 Plastics.Vinyl chloride homopolymer and copolymer resins.Sieve analysis in water
• 1992 GB/T 13453.1-1992 Test method of vinyl chloride homopolymer and copolymer resins--Sieve analysis in water

GB/T 21988-2008 Plastics.Vinyl chloride homopolymer and copolymer resins.Sieve analysis in water has been changed from GB/T 13453.1-1992 Test method of vinyl chloride homopolymer and copolymer resins--Sieve analysis in water.