... inch Interlayer: 1~infiniteGR11 Nylon Cloth Insertion Rubber Sheet Density: 17x16inchInterlayer: 1~infiniteGR12 Stainless Steel Mesh Insertion ... : poison & odor free, good elasticityGR31 Insulation Rubber Sheet Application: used in electric power substation, power plant ... low & high temperature, with good sealing performanceGR35 Fluorine Rubber Sheet Application: Apply to punching seals, sealing ring, ...