... ... 4. A whole series sizes Fiberglass pultruded profiles ranges:I-beam, H-beam, U-profiles, angle, square tube, ... mat, needled mat. 2. matrix materials: unsaturated polyester resin, epoxy resin, vinylester resin.The pultrusion technique:During the pultrusion process,the raw ... when the reinforcements are saturated with the resin mixture in the resin bath and the wetted reinforcement package is ...