China 100Mm PUF Lightweight Sandwich Panel For Warehouse
100Mm Pu Lightweight Sandwich Panel For Warehouse
PUR
In terms of raw material proportioning and process output, Duowei PUR products employ the globally advanced six component online automatic (SIMENS) mixing and pouring technology and have realized six-component continuous foaming for the first time in China. With the technology, mixing and proportioning process may be finished in an online way;the formula may be adjusted according to environmental changes; air feeding and mixing devices may be used to make raw material mixing more even and foam finer, thus producing high-strength, energy-saving and environment friendly building boards.
PIR
Polyisocyanurate is called PIR for short. For the composite boards developed by Duowei, excessive isocyanurate is added and ring structure and higher isocyanurate index are employed in the compounds to form compact PIR products, thus ensuring greater stability and excellent heat and fire resistance for the internal rigid foams. Experiments show that the products can endure a temperature up to 200℃ in short time period or to 160℃ for long time.
| Allowable vertical load and thermal performance of Duowei polyurethane sandwich wall panel (allowable deflection f≤L/200) | ||||||||
| S(mm) | W/m2k | G(kg) | P=KN/m2 | 0.60 | 0.80 | 1.00 | 1.20 | 1.50 |
| 50 | 0.31 | 10.06 | L(m) | 3.52 | 3.04 | 2.69 | 2.42 | 2.11 |
| 75 | 0.21 | 11.06 | L(m) | 4.71 | 4.09 | 3.64 | 3.29 | 2.89 |
| 100 | 0.19 | 12.05 | L(m) | 5.76 | 5.02 | 4.47 | 4.05 | 3.56 |
| 120 | 0.16 | 12.84 | L(m) | 6.53 | 5.68 | 5.07 | 4.60 | 4.04 |
| 150 | 0.11 | 14.04 | L(m) | 7.56 | 6.58 | 5.87 | 5.32 | 4.68 |
| Note:0.5mm outer steel sheet and 0.4mm inner steel | ||||||||
| Allowable Span and Thermal Conductivity of Duowei Polyurethane Roof Sandwich Panel(allowable deformation f≤L/240) | ||||||||
| S(mm) | W/m2k | G(kg) | P=KN/m2 | 0.60 | 0.80 | 1.00 | 1.20 | 1.50 |
| 30 | 0.32 | 9.32 | L(m) | 2.60 | 2.30 | 2.08 | 1.91 | 1.72 |
| 50 | 0.31 | 10.15 | L(m) | 3.59 | 3.17 | 2.85 | 2.61 | 2.33 |
| 75 | 0.21 | 11.18 | L(m) | 4.64 | 4.07 | 3.66 | 3.34 | 2.96 |
| 100 | 0.19 | 12.22 | L(m) | 5.57 | 4.88 | 4.38 | 3.99 | 3.53 |
| 120 | 0.16 | 13.05 | L(m) | 6.28 | 5.49 | 4.92 | 4.48 | 3.97 |
| 150 | 0.11 | 14.3 | L(m) | 7.30 | 6.39 | 5.73 | 5.22 | 4.62 |
| Note:0.5mm outer steel sheet and 0.4mm inner steel | ||||||||
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