PU (Polyurthane) is well known as the best heat insulation material in the world at present. The sandwich panel which composited two faces prepainted steel sheet and one layer of PU board also has a great perforance on heat insulation. So the PU sandwich panel is widely used in projects which required excellent cold or heat insulation. Like cold storage warehouse,
| Composite Materials | PPGI+Glue+PU Board+Glue+PPGI |
| Joint | Tongue and groove |
| Product Code | BF-PU-W |
| Panel effective width(mm） | 1150mm or 950mm |
| Panel Length(mm) | 1500mm to 11800mm |
| PPGI thickness(mm) | 0.3mm~0.6mm |
| Panel thickness(mm) | 50mm, 75mm,100mm,125mm, 150mm |
| PU density(kg/m3) | regular 32kg, customized 35kg, 40kg |
| Fire Performance | non-fireproof, (fire retarded) |
| Fire Resistance | B1 |
| Thermal conductivity | ≤0.027W/(m2.k) |
| Thermal insulation | 0.34cal/m2/h/c |
| Features | Light weight, sound insluation, waterproof, heat insulation |
| Application | Used in those projects which require excellent heat or cold insulation |
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