... , Product Description The facing materials of color-coated steel sandwich panel include color-coated steel sheet, galvanized smooth sheets, stainless steel ... , rock wool, glass wool ect. The advantages of steel sandwich panel: 1. Light weight 2. Good insulation against heat and sound ... : (mm) 50-200 Length(mm): Tailor made Width(mm): Wall panel 1200, 1150, 1000, 950; Roof ...