... Rubber foam, Rubber plastic, PVC NBR, low thermal conductivity Black Heat Insulation Sheet and Pipe:Production:It is made from the nitrile -butadiene rubber ... process, metallury, boat, vehicle,electrical apparatus and other fields.Size for sheet: grade B1 and B2,thickness from 3mm to 30mm,width ... 108mm,length can be customer-made,packing: by PE and by carton... Black Heat Insulation Sheet and Pipe