... 20 years c.Thickness:1mm to 6mm building construction materials Product specification: Panel Thickness: 1mm,2mm,3mm,4mm ... Core: Non-toxic Polyethylene (PE) Rear Side: Mill finish or with coating Characteristics: A. Excellent heat and sound ... in ceiling, floor, bathroom, kitchen, cabinet, tunnel, subway, billboards, exhibitions, saloons, car, boat decoration, and more building construction materials acp