... rail, thickness is from 2.5mm~15mm.Main Raw Materials: 1. reinforcement materials: fiberglass, glass mat, continuous strand mat, ... cutoff saw and the process is complete.Fiberglass Profile Properties: 1. Corrosion resistence, aging resistence. 2. waterproof, fireproof. 3. ... shield and its handrail,lamp post,water treatment,bracket for huge industry cooling tower,etc. fiberglass foam filled tube