PU sandwich panel
Polyirethane sandwich panel is composed of 2 layers of weatherproof colored steel and jetted the hard forms of PU between two layers which features fireproof materials. It is suitable for the various roofs and walls referromg to the large-zise factory buildings, storage, exhibition halls, gymnasiums and so on.
The thickness for the up and down steel we can do is from 0.3mm to 0.6mm with many colors to choose. The thickness of the PU we can do are 30mm, 50mm, 75mm and density of the foam is from 38kg/m3 to 45kg/m3. We do have many sizes for wall and roof. This kind of materials can keep warm, fireproof, and heat insulation.
At this time this king of materials is widely used for the small villa.