... is cut from B grade roving, mainly used for gypsum board Fiberglass chopped strands, cut from fiberglass ... strands (FCS) is cut from A-grade roving, for such FCS, has good product performance. Its price ... It can be used for engineering plastic, FRP, GRP, car parts, concrete, cement, gypsum boardFiberglass chopped strands have ... Korea, Taiwan China, Egypt, Angola, etc. chopped fiberglass for gypsum board