... , FRP Grating is one kind of new composite material, made of different resins reinforced with fiberglass, by molded technology. ... It has excellent properties as follows:1) FRP Grating is recommended when ... Wastewater5) Chemical6) Oil and Gas7) Mining8) Industrial3, Specifications of molded grating: Panel Size4'x12', 4x8', 3x10' 4'x12', 4x8', ...