Main channel iron tapping slag line castable
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Castable material
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The main trough iron-spitting area and slag-line castable is a critical refractory material used in the iron-tapping area of blast furnace raceways, designed to withstand the erosive attack caused by high-temperature molten iron and slag. Its core performance must meet stringent requirements, including exceptional resistance to high temperatures (above 1500°C), excellent anti-abrasion properties, superior resistance to slag erosion, and outstanding thermal shock resistance. Key raw materials include alumina, silicon carbide, carbon-based materials, and pure calcium aluminate cement as a binding agent. This product is manufactured through precise processes such as raw material blending, mixing, shaping, and controlled curing followed by baking. It is widely employed in steelmaking and, increasingly, in non-ferrous metal smelting applications. Moreover, it is evolving toward higher performance, longer service life, and greater environmental sustainability.
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