This International Standard specifies a method for the determination of the sieve retention of vinyl chloride homopolymer and copolymer resins. Control of this characteristic can help to ensure consistency of supply and predictable processing behaviour.
BS EN ISO 1624:2002 history
2002BS EN ISO 1624:2002 Plastics - Vinyl chloride homopolymer and copolymer resins - Sieve analysis in water