... Good quality Sandwich Panel 4, ISO9001 sandwich panelProduct DescriptionHeat Insulation / Inflaming RetardingThickness: 50mm-200mmWidth: 950mm/1150mmSteel Thickness: ... steel panel2. Core material---The density of this(mineral)Rock wool is: 120-250kg/m33. Side steel strip or ... EPS, XPS,Rok wool, Glass wool,PU, PUR Surface materials: PPGI, GI, Stainless steel sheet, galvalume sheets, prinpia, PVC, and ...