... weight,high strength 4.40*40*5 fiberglass composite profile,composite angle profile,frp pultrusion The angles are a ... The reinforced materials include fiberglass roving, continuous fiberglass mat, stitched fiberglass mat and surface veil etc. Unsaturated polyester resin, ... the extremely high longitudinal strength, the fiberglass mat (continuous strand mat, knitted mat and so on) makes the product have ...