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DUOWEI new model fireproof rockwool 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 90 degrees after roll forming (make the fibers vertical to the upper and lower steel sheets) and strongly binding high-quality rockwool 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.

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