Insulation decoration sandwich wall panel

Surface 

Al-Zn Alloy Coated Steel Sheet

- Thk: 0.3mm

- Heat-resisting painting

- Standard size: 3800 *380 *16mm 

Middle layer 

- heat insulation PU foaming

- fire proof rate: B2

- PU thk: 1.6cm

inner layer

 - Aluminium foil paper