Polyvinyl chloride resin analysis report sheet | ||||||||||
Polyvinyl chloride resin (PVC) | Executive standard: GB/T5761-2006 | |||||||||
Appearance: white powder | Model: SG-3 | |||||||||
Test items | index | Measured value | ||||||||
Premium grade | First class | Qualified product | ||||||||
Viscosity/(ml/g) (or K value) | 127~135 | 131 | ||||||||
Number of impurity particles/piece | 16 | 30 | 80 | 2 | ||||||
Volatile matter (including water) mass fraction/% | 0.4 | 0.4 | 0.5 | 0.24 | ||||||
Apparent density/(g/ml) | 0.3 | 0.4 | 0.5 | 0.51 | ||||||
Mass fraction of residue on sieve% | 250μm mesh | 1.6 | 2 | 8.0 | 0.7 | |||||
63μm mesh | 95 | 90 | 85 | / | ||||||
Number of "fish eyes" (pieces/400cm2) | 20 | 30 | 60 | 11 | ||||||
Plasticizer absorption of 100g resin/g | 26 | 25 | 23 | / | ||||||
Whiteness (160℃,10min)/% | 78 | 75 | 70 | / | ||||||
Residual vinyl chloride content/(μg/g) | 5 | 5 | 10 | 0.1 | ||||||
Paste/emulslon PVC Resin for artificial leather | ||||||
Items | SG3 | SG5 | SG8 | |||
K value | 72-71 | 68-66 | 59-55 | |||
VISCOSITY NUMBER ml/g | 135-127 | 118-107 | 86-73 | |||
Average degree of polymerization | 1370-1251 | 1135-981 | 740-650 | |||
NUMBER OF IMPURITY PARTICLE | ≤16 | ≤16 | ≤20 | |||
VOLATILE SUBSTANCE | ≤0.3 | ≤0.4 | ≤0.4 | |||
VOLATILE CONTEN | ≥0.45 | ≥0.48 | ≥0.50 | |||
Whiteness(160℃,10min)% | ≥78 | ≥75 | ≥75 | |||
Packing | 25kgs two layers draft paper bag or 1000kgs PP bag | |||||
