... (No.: Zb200921913), refer to GB8624-2006, the result achieves class B.Smooth surface, up to 85% in light transmittance. According to ... panels, etc. used commonly in public areas, industrial plants and warehouses presently can be replaced to avoid maintenance in winter ... in erosion resistance (oxidation, acid, alkali, salt, oil and grease resistance). If destructive fire happens, GRP will be burned ...