1, PVC Resin :SG-5 ;SG-3;SG-7 2, Molecular Formula: (C2H3CL)n 3, CAS number: 9002-86-2 4. Prime quality , competitive price Properties ... insulating materials: 1; Construction material: Piping, sheeting, windows and doors. 2; Packing material 3; Electronical material: Cable, wire, tape, bolt 4 ...