Fiberglass chevron composite felt is made of fiberglass chevron composite with short-cut felt, which is fixed by sewing polyester yarn. The material is compatible with unsaturated polyester resin, vinyl ester resin and epoxy resin, and is widely used in shipbuilding, automotive parts, refrigeration equipment and structural profiles, etc. It is suitable for hand-lay-up, RTM (Resin Transfer Molding), pultrusion, vacuum introduction and other processes. Basic Parameters Model No. Mass (g/m2) Grammage of chevron cloth (g/m2) Grammage of short-cut felt (g/m2) Moisture content (%) Soaking speed (≤ sec.) Number of structural layers EWRM200/300 500 200 300 ≤0.2