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Various insulators are used for thermal and electrical resistance applications. One of the best of these products is rock wool board made from rock wool and resin using press methods and has many applications. Heat exchangers in industries. Wool insulators are classified as thermal insulators and are mineral fibers in the group of inorganic and non-metallic materials made of dolomite and basaltic rocks. Basalt and dolomite melt together with some slag as melting lubricant at 1300 to 1500 ° C. The molten materials are then converted to fine fibers by special methods and form a tight web called rock wool.
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