Sandwich panel 1)anti-static 2)fireproof,keep warm 3 ... panelcharacteristics: 1, the quality of light weight per square meter of less than 24kg, can reduce the cost of ... roll forming, and has excellent structural propertiesApplications:1) sandwich panel used in large industrial plants, warehouses, supermarkets, hospitals, stadiums ... top/back boardColor steel sheet keep warm Sandwich Panel For Roof/wall