This series of products has the following characteristics: low-temperature melting impurities of iron and alkali metals in the products, good high-temperature fire resistance, and can effectively resist the influence of reducing atmosphere. The structure is uniform, the body is light, the compressive strength is high, the heat insulation performance is good, the furnace body has less heat storage in the process of cooling and heating, and can effectively save energy. In the high temperature state, it has high strength, good volume stability and excellent thermal shock resistance. After the product is fired. Grinding and shaping, small dimensional tolerances, can meet construction requirements.
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