1, PVC Resin 2, Molecular Formula: (C2H3CL)n 3, CAS number: 9002-86-2 4. Prime quality ... material: Piping, sheeting, windows and doors. 2; Packing material 3; Electronical material: Cable, wire, tape, bolt 4; Furniture: Decorate ... for you testing quality free charge . Type ItemIndexViscosity (or K Value) , ml/g118-107(68-66)Number of impurity ... content , mg/kg150max PVC RESIN SG-5 K VALUE 66-68