PVC boot specification

ITEM UNIT RESULT average degree of polymerizatoin 970-1070 apparent density g/ml 0.48-0.58 volatile matter content (water included) % ≤ 0.3 Resin fat plasticizer and absorbed dose g ≥ 20 VCM remnant mg/kg≤ 5 residue on sieve % 0.25mm mesh ≤ 2.0 residue on sieve % 0.063mm mesh ≥ 95 Fisheye parameters /400cm2 20 Impurities particle count ≤ 16 Whiteness (160℃, 10 minutes later) % ≥ 78 K 66-68 specific viscosity 0.355-0.380