| High alumina brick's raw materials are high bauxite grog, cyanite, andalusite and sillimanite, compound mullite and electro-cast aluminum oxide. It has a high quality of refractoriness, and a good corrosion resistance for acid and alkali slag. Its high temperature mechanical strength is really high. It includes the following types:
?Ordinary high alumina brick;
high refractoriness under load and low creep high alumina brick used in blast furnaces, hot blast stoves;
wear resistance and peeling off resistance high alumina brick in cement kiln;
slag resistance and good thermal stability high alumina brick used in steel metrological industry.
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