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