... colors, grey, yellow... 4. A whole series sizes Fiberglass pultruded profiles ranges:I-beam, H-beam, U-profiles, angle, square tube ... pulled through the cutoff saw and the process is complete.Fiberglass Profile Properties: 1. Corrosion resistence, aging resistence. 2. waterproof ... life,maintenance free. 8. easy to cut and install.Fiberglass profiles uses: 1. Electrical&electronics markets: cable tray, ...