PRODUCT DESCRIPTION: Composition: Magnesium Sulfate, Magnesium Oxide, Polystyrene granules, chemical additives and other production of a high-strength purification color steel plate. Specification:upper/lower steel plate Thickness:0.4-0.8 mm color coated steel plate. Core material:magnesium oxide capacity 220-280 kg/m³. Application:widely used in electronic, biological, food, pharmaceutical, hospital and other clean building fields, especially suitable for high thermal insulation requirements of production workshops and warehouses