... 3.Fire resistant 4.Resistant to acid / alkali fumes FRP Pultruded Grating1, FRP Grating is one kind of new composite material, made ... .3) Superior durability to Stainless Steel, Aluminum, and Galvanized Gratings, especially in highly corrosive environments.4) 50% higher tensile ... hot rolled steel and better impact resistance.5) All gratings available in yellow, green or grey, other colors available ...