1. Long color lasting ASA Roof Tile 2. Excellent Heat and Sound Insulation 3. Excellent Corrosion and ... the world's top 500 enterprise SABIC'S high-developed weather engineering resin ASA. With lasting color,UV resistance,excellent corrosion ... steel factories, warehouses, farm market, market access, sheds and other high-end roofing materials. Especially in corrosive chemical plants, smelters, ceramic ...