English name Paste PVC P440/450 K value K value Average degree of polymerization 1650-1300 Standard paste viscosity/(Pa.s) 4.0 Number of impurity particles12 Mass fraction of volatiles (including water)/ % 0.40 Mass fraction of sieve residue(250¼m sieve pore)/% 0 Mass fraction of sieve residue(63¼m sieve pore)/% 0.01 Residual vinyl chloride monomer content/(¼g/g) 5 Whitness 160 0min)/% * 80 Scraper finenessm * 100 Water extracted liquid PH value * 8.0 Mass fraction of alcohol extract/% * 3.0 Paste the thickening rate(24h)/% * 100
