Production Process Emulsion Polymerization
Chemical Type Polyvinyl Chloride Homopolymer
Appearance White fine powder, with an average particle size of approximately 0.2-0.5μm
K Value: 76 (typical value) - Test for soluble polymers in cyclohexanone
Degree of Polymerization: Approximately 1550-1650 - Calculated based on K value
Paste Viscosity (V20): 5,500 (typical value) mPa·s 30℃, resin: plasticizer (DOTP) = 100:80 ratio
Viscosity Number: Approximately 150-158 ml/g Test in dichloroethane solution
Volatile Component :≤0.50% 105℃, 2 hours
Residual Vinyl Chloride Monomer (Residual VCM):≤5.0mg/kg Gas chromatography, in line with international environmental protection standards
Sieve Residue:≤10.0mg/kg 0.15mm standard sieve
Bulk Density: 0.30-0.50 g/cm³ Loose bulk density test
Glass Transition Temperature (Tg) Approximately: 81℃ ℃ DSC test
Moisture Content: ≤0.30% Karl Fischer method
Rheological Properties Thixotropic Rheology - High viscosity at low shear, good fluidity at high shear