... resistance, corrosion resistance, scratch resistance, humidity resistance and no crack.Main technical parameters:BASE METAL: (1)Cold Rolled Steel; (2)Hot ... , wall panel, fireproof door, rock wool panel, rock wool ceiling(3) Building Decoration: Ceiling; Partition; Siding(4) Building Material: fireproof door; Anit ... us for "ENQUIRY SHEET" PVC Coated Steel for Rock Wool Ceiling