Insulation metal PU sandwich wall panel
Surface
Middle layer
inner layer
Al-Zn Alloy Coated Steel Sheet
- Thk: 0.3mm
- Heat-resisting painting
- Standard size: 3800 *380 *16mm
- heat insulation PU foaming
- fire proof rate: B2
- PU thk: 1.6cm
- Aluminium foil paper