ISO 1624:1978

Plastics — Vinyl chloride homopolymer and copolymer resins — Sieve analysis in water

Specification of a method for the determination of the particle size of vinylchloride homopolymer and copolymer resins by sieving under a stream of water, using standard aperture sieves with mesh sizes 0,063 and 0,250 mm. The residues on the sieves are dried and weighed. The percentages of the sieve residues shall be calculated.