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Si3N4 bonded SiC Refractory Brick for Blast Furnace

This product is manufactured from high purity SiC as aggregate, mixed with silica powder and other additive, which are sintered together in nitriding furnace at high temperature. It is characterized by excellent resistance to thermal shock, high thermal strength, high thermal conductivity, and superior resistance to oxidation, alkali and slag. It is applied typically in parts of blast furnace with severe erosion and corrosion during iron-making operation, such as lower stack, belly, bosh and tuyere.


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