Polyurethane (PU) Sandwich Panel for construction material, used as roof panel, wall panel, sound-insulation panel, warehouse. Advantage:1. Reasonable price2. Heat insulation and ... width: 0.4mm-0.6mmApplication: Widely used as roof panel and wall panel for steel structure warehouse, modular house, cold storage etcAbout ... the material, specification, quantity you need. Polyurethane (PU) Sandwich Panel