PVC resin SG-5(K=67) has white powder condition, Suspension grade carbide based, always used to pipe industries CAS: 9002-86-2 Molecular formula: C2H3ClX2 Specification: 1) Viscosity number: 113ml/g (K value: 66-68) 2) Volatiles (moisture): 0.12% (max. ) 3) Impurity particle number (400cm2): 16 (max. ) 5) Residue content of chloroethylene: 1 (max 6) White content (160oC, 10min): 90 (min. )