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PU Sandwich panel (Polyurethane sandwiched panel) is composed of 2 layers of weather-proof colored steel sheets and jetted the hard forms of polyurethane between 2 layers which feature fireproof materials. It is suitable for the various roofs and walls referring to the large-size factory buildings, storages, exhibition halls, gymnasiums, freezing stores, purifications workshops, etc., which features temp-keeping, heat insulation, weight-bearing, weatherproof with the rich colorfulness and good appearance.
| Product name | Polyurethane(PU) Sandwich Board | |
| Thickness | upper layer | 0.3-0.8mm |
| core material | 75mm, 100mm, 120mm, 150mm, 200mm | |
| bottom layer | 0.3-0.8mm | |
| Effective Width | standard | 950mm, 970mm, 1000mm, 1150mm |
| other | can be customized | |
| Length | can be customized, less than 12m | |
| Density | 40-42kg/m3 | |
| Weight | up to model | |
| Color | any (generally white, blue, red, grey) | |
| Temp tolerance | -120 - 90℃ | |
| Fire resistance level | A2 (incombustible) | |
| Surface profile | flat, corrugated, big rib, small wave | |
| Compression bearing | ≥0.2Mpa | |
| Material | upper layer | PPGI (prepainted galvanised steel) color steel sheet |
| inner layer | PU foam (injected, not glued) | |
| bottom layer | PPGI (prepainted galvanised steel) color steel sheet | |
| Parts | Eccentric hook used for connection of panel | |
| Film covering for protecting the surface layer | ||
| Heat transfer coefficient | 0.019 W/M*K | |
| Characteristics | heat insulation energy-saving | 100mm width can keep temp at 0℃ (suit for fresh keeping) |
| 150mm width can keep temp at -18℃ (suit for cold storage) | ||
| 200mm width can keep temp at -38℃ (suit for freezing) | ||
| Water resistance and sound proof | ||
| Weather proofing | ||
| Fire retardant level: B | ||
| High strength and bending resistance | ||
| Easy quick installation and dismantling, labour cost saving | ||
| Light weight compared to traditional stone or plaster panel | ||
| Safe and green, good appearance, without formaldehyde | ||
| Lifespan | can reach 15-20 years | |
| Usage | Can be used for wall, roof, floor and partition of cold storage, mobile house, suburban housing, industrial plants, warehouses, supermarkets, hospitals, stadiums, activities room, clean workshop and reconstruction residence, villa, kindergarten, commercial building, remodeling of old structures, heat insulation fire places, airport, etc. | |
