... PU panel for cold roomThe insulation panel, made of polyurethane, covered by SII, PVC colored steel plate and stainless steel plate, could ... decrease the heat transfer effect generated by the temperature difference and help to reach the most efficiency ... material: Stainless steel plate, pattered aluminum plate, colored steel plate. 3. Thickness: 60, 75, 100, 120, 150, 180, 200mm ...