PVC resin powder

Average degree of polymerization: 950-1050 K value: 65-68 Apparent density: 0.51-0.57g/mL Volatile content: ≤0.40% Residual vinyl chloride monomer: ≤5μg/g "Fish eye" count: ≤20 per 400cm² Screen residue (250μm): ≤1.6% Whiteness (reflectance): ≥85% Thermal stability (160℃): ≥20min