... on wide range in the various industries like Cement, Glass and Steel. Refractory Fire Bricks are provided as per ... , metal oxides, etc. Mineral composition is usually mullite, quartz and glass phase. Its refractoriness is 1580-1750 °C, refractoriness under ... , hot blast stove, furnaces of metallurgic, building material, glass, ferrous metal and so on.Technical Specifications: ItemIndexSK-30SK- ...