Polyurethane pu foam Sandwich Panel with Metal carved panel surface is treated by a special layer of high-quality color embossed decorative metal plate, the middle layer is treated by flame retardant rigid high-density polyurethane foam insulation layer.

16mm Environmental Heat Insulation Interior Exterior PU Sandwich Panel Fireproof Metal Decorative External Wall Panel.Polyurethane Foam Sandwich Panel.

AI-Zn alloy coated steel sheet (or aluminum sheet) treated with special fabrication processing on the surface, rigid PU foam as insulating layer on the medium layer and aluminized paper or glass fabric applied at inner layer.

Fine fireproof Test by national quality inspection center for fireproof building material, all its index reach grade B1