... 2.Abrasion resistance 3.Heat resistance 4.Insulation properties Vulcanized fiber for Welding Mask Specification:1.Material:Chemically gelatinized cellulosic paper using ... ,0.8mm,1.0mm,1.5mm,2.0mm6.Usage: used for manufacturing abrasive fibre discs, semiflexible discs, gasket of electric equipment ...