en Advantages for Using Fiberglass Channel1. Anti- corrosion and no pollutionFiberglass channels can be against the corrosion from acid, alkali, salt,sea water, sewage which is not handled, corrosion soil and corrosion from ground water and various of chemical fluid. This kind of channel have such advantages as non-toxic, odorless, tasteless, have no secondary pollution towards water and do not need to be antiseptic. According to these things, this kind of material is widely accepted in water supply and drainage industry.2. Anti-fouling and moth resistantThe surface for fiberglass channels uses the unsaturated polyester resin to make it clean and smooth and is not easy to bu corroded by shellfish in seawater or sewage or even be polluted by fungus and other microbe. Without this protection, materials is easy to be polluted and increase the surface’ roughness and reduce the cross-section which will increase the cost for maintenance charges. ......url:http://www.swsteelstructure.com