Type SG5 Viscosity number(ml/g) 107-118 K value 66-68 Number of impurity particle 30max Volatiles content 0.30max Appearing density (g/ml) 0.45min Tailover mesh hole 0.25mm sieve pore 2.0%max 0.063mm sieve pore 90%min Number of grain/400cm? 40max Plasticizer absorbency value of 100g resin 19g min Whiteness(160癈,10min) 85% min Appearance : White powder