1, PVC Resin 2, Molecular Formula: (C2H3CL)n 3, CAS ... sheeting, photograph records. PVC fibers, plastics blowing, electric insulating materials: 1; Construction material: Piping, sheeting, windows and doors. 2; Packing ... for you testing quality free charge . Type ItemIndexViscosity (or K Value) , ml/g118-107(68-66)Number of impurity ... chloride content , mg/kg150max PVC RESIN SG-5 K VALUE 66-68