Average polymerization degree: Impurity particle number/100g Volatile matter Bulk density g/ml 0.35mm mesh residue Fish eyes number/100cm2 Plasticizer absorbent g/100g Initial whiteness Whiteness(160°C, 10min) VCM residuals ug/g K Value | 1030+/-50 50 max 0.3% max 0.53+/-0.03 0.1% max 5 max 20min 90% min 78% min 1 max 66 - 68 |