Rock wool material with better fireproof performance for external wall thermal insulation rock wool board

Thermal Insulation Rock Wool Board for external wall Best Fireproof Material Rock WoolDecriptionRock wool board is basalt as the main raw material, after high temperature melting, fibrosis, processing, product processing and so on a series of technological process and made a kind of mineral fiber board.Exterior wall Rock Wool  boardpacking 

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