pvc
Type SG5
Viscosity number(ml/g) 107-118
K value 66-68
Number of impurity particle 16max
Volatiles content 0.2%max
Appearing density (g/ml) 0.50min
Residual chlore content 2ppm max
Tailover mesh hole
0.25mm sieve pore 2.0%max
0.063mm sieve pore 90%min
Number of grain/400cm² 20max
Plasticizer absorbency value of 100g resin(g) 19min
Whiteness(160°C,10min) 85% min