... fiberglass mat and surface veil etc. Unsaturated polyester resin, vinyl resin, phenolic resin are the major matrix materials. The angles ... fiberglass as the reinforced material, and taking thermosetting resin as base, the fiberglass continuous roving enable ... thermosetting resin base is usually the unsaturated polyester resin, the vinly resin, or the epoxy resin and the phenolic resin, the resin base ...