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How to choose the right steel structure marine rock wool insulation board

Intumescent A-grade fireproof rock wool board was first used for wood structure. Due to its poor weather resistance, easy aging, peeling, reliability problems of expansion in humid and corrosive environments, and in the process of high-temperature flame grilling and foaming, Resin decomposes to produce thick smoke and toxic gas, so without special measures, it is not suitable to use intumescent Class A fireproof rock wool board in tunnels, outdoors and buildings where people often stay.

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