Polystyrene XPS board with galvanized iron and aluminum:
1)One side foil+one side GI/colored steel+XPS board
Anti-corrosion coating embossed foil+galvanized steel/colored steel+XPS foam
2)two sides GI/colored steel+XPS foam board
HVAC air duct heat insulation panel/ Pre-insulated air ducting panel:
Material: Phenolic/polystyrene(XPS)/polyurethane(PU)/polyisocyanurate(PIR)
Size: 3000(4000)*1200*20mm