... and high strength 3. insulation 4. anti-skid frp plastic grating is popular in construction field, it ... low density corrosion circumstance,such as inorganic acid,alkali,kinds of salts,etc.The long ... in medium density corrosion circumstance,such as inorganic acid,alkali,kinds of salts,etc.The long ... very adverse corrosion circumstance such as acid,alkali,salt,dissolvent or acid & alkali in turn,etc. The ...