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Glass wool insulation 1.FACTORY 2.CE,SGS,AS/NZ Certificate 3.Acoustic,soundproof Glass wool insulation Manufacture Output: 3,000tons to 20,000tons/yearly. Raw materials: broken glass, silica sand, soda ashes. Power: 380V, 50Hz.1. Glass wool Introduction:The glass wool product can be made into glass wool board, glass wool blanket, glass wool pipe, and it is widely used for insulation, sound ...