Silicon nitride bricks ordered by Russian customers are used in furnaces containing hydrogen and nitrogen. Because silicon nitride brick is inert and is not easy to react with other substances, and silicon nitride brick is fired in nitrogen atmosphere. Therefore, this product fully meets the requirements of customers. It has been used for nearly two years without problems and has good effect. Silicon nitride brick has high strength, low porosity, good corrosion resistance, slag corrosion resistance and gas corrosion resistance. It is often used in ironmaking blast furnace, slide rail brick, high-temperature furnace lining and harsh parts of furnace environment.
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