... cut from B grade roving, mainly used for gypsum board Fiberglass chopped strands, cut from fiberglass roving, there are two ... used for engineering plastic, FRP, GRP, car parts, concrete, cement, gypsum boardFiberglass chopped strands have been delivered to Thailand, Veitnam, Saudi ... , Russia, Korea, Taiwan China, Egypt, Angola, etc. chopped fiberglass for gypsum board