... Optimum Corrosion Resistance 2.High Impact Resistance 3.Light Weight plastic grid is one kind of new composite material, made of different ... hot rolled steel and better impact resistance. Applications of the plastic grid: plastic grid is widely used in Flooring, Platforms, Walkways, Trench Covers, ... Stairs, Gully Covers, Jetties, flooring, etc. Our basic specifications of plastic grid are as below: