Our Products STEEL CEMENT PANEL BARE 600MM>>> QUICK CONTACT STEEL CEMENT PANEL BARE 600MM >>> Product property Panel weight : 12 -22kgs/pcASTM E136-11: Non combustibleBS476-4: Non combustibleASTM E84-14: Class AEN13501: Class A1ASTM E492-09: IIC58ASTM E283-04 25Pa:≦0.3L/s·m2NIOSH9002: Asbestos-freeLEED assessment report available Structure ZT60 OA panel is made of steel plate, top SPCC steel, bottom ST14 steel, after pan formed and joined together by resistance welding, the panel is coated with epoxy paint, then infilled with light cement.