... Owenscorning, 3mm~50mm, FRP plastic, PP BMC; manhole, gypsum board, fiberglass chopped strands for concreteFiber length: 3mm 4.5mm 6m 12mm 18mmFiber: E ... -glassUsage:FRP fiberglass reinforcded plastic, PP PA BMC2. reinforce concrete, cement, manhole, ... , plaster boardQuality is B grade, raw material is from Owenscorning fiberglass chopped strands for concrete