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DUOWEl new model fireproof rockwool/glasswool sandwich panel is recombined into a beautiful, flat, and tough building board by choosing two layers of high-quality color coated steel sheets or other precisely profiled metal sheets as its faceplates, rotating the stripped rockwool/glasswool 90 degrees after roll forming (make the fibers vertical to the upper and lower steel sheets) and strongly binding high-quality rockwool/ glasswool with the metal faceplates using high-strength, high-adhesion, high-fire-prevention binder. Excellent fire prevention, thermal insulation, environment protection and other characteristics of the formed boards provide a best choice for industrial building envelope system.


| Technical parameters of DUOWEI new model fireproof rockwool sandwich panel (The values in the following table is calculated on the basis of rockwool bulk weight of 120kg/m3,0.6mm outer steel sheet and 0.5mm inner steel sheet.) | ||||||||
| Allowable vertical load and thermal conductivity of DUOWEI new model fireproof rockwool 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 | 0.75 | 15.53 | L(m) | 3.66 | 3.13 | 2.75 | 2.46 | 2.12 |
| 75 | 0.53 | 18.37 | L(m) | 4.90 | 4.22 | 3.73 | 3.35 | 2.91 |
| 100 | 0.41 | 21.21 | L(m) | 5.99 | 5.17 | 4.58 | 4.12 | 3.59 |
| 150 | 0.31 | 26.88 | L(m) | 7.82 | 6.75 | 5.98 | 5.37 | 4.68 |
| Allowable vertical load and thermal conductivity of DUOWEI new model fireproof rockwool sandwich wall panel (allowable deflection f≤L/240) | ||||||||
| S(mm) | W/m2k | G(kg) | P=KN/m2 | 0.60 | 0.80 | 1.00 | 1.20 | 1.50 |
| 50 | 0.75 | 15.74 | L(m) | 3.78 | 3.31 | 2.98 | 2.71 | 2.41 |
| 75 | 0.53 | 18.68 | L(m) | 4.83 | 4.21 | 3.76 | 3.42 | 3.01 |
| 100 | 0.41 | 21.62 | L(m) | 5.77 | 5.02 | 4.47 | 4.04 | 3.55 |
| 150 | 0.31 | 27.51 | L(m) | 7.53 | 6.54 | 5.82 | 5.26 | 4.61 |



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