... colors, grey, yellow... 4. A whole series sizes Fiberglass pultruded profiles ranges:I-beam, H-beam, U-profiles ... mat, needled mat. 2. matrix materials: unsaturated polyester resin, epoxy resin, vinylester resin.The pultrusion technique:During the pultrusion process,the ... fireproof. 3. light weight,high strength,impact resistence. 4. good dimension stability. 5. insulation,good magnetic permeability. ...