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Shangzhuang Refractories Co., Ltd., Zhengzhou City, tell us something about what is refractory insulation? Refractory insulation means high porosity, low bulk density, low thermal conductivity refractory material, also known as lightweight refractories. Refractory products, including insulation, refractory fiber and refractory fiber products. Divided by the use of temperature: low-temperature refractory insulation, temperature lower than 900 ℃, such as diatomaceous earth insulation bricks, expanded silica products, calcium silicate board refractories offer, expanded perlite products; the temperature insulation refractory refractory, use temperature of 900 ~ 1200 ℃, such as clay firebrick insulation, refractory fiber, aluminum silicate; high temperature insulation refractory refractory lowest use temperature is higher than 1200 ℃, such as the high aluminum firebrick insulation, aluminum insulation refractory bricks, firebrick insulation silica, alumina hollow ball bricks, hollow ball zirconia bricks, high alumina refractory fiber refractories manufacturers, polycrystalline refractory fibers (polycrystalline alumina fibers, polycrystalline zirconia fibers, polycrystalline mullite fibers) and the like. Structural materials Refractories Co., Ltd., Zhengzhou City shangzhuang learned refractory functional and high-temperature furnace refractories mainly used for high-temperature thermal containers and other equipment. With the development of smelting technology, and in some aspects of the smelting process requires the use of performance beyond the refractory metal material as the working parts, these parts (refractory products) in addition to the inherent properties of refractories, but also must have its smelting process requirements of specific functions. This opens up new ways of refractory functional. It includes casting molten steel sliding gate system with throttle, throttle intermediate tank molten steel with argon overall stopper to prevent long nozzle and submerged nozzle pouring molten steel in the secondary oxidation process, the filtered molten nonmetal Inclusion of filters and top and bottom blowing converter, electric furnace and ladle bottom blowing with gas components, as a key component of the ceramic spray jet metallurgy and so on. Refractories wholesale, Jiayuguan refractories, Refractories shangzhuang provided by Zhengzhou City shangzhuang Refractories Limited. Zhengzhou City shangzhuang Refractories Co. (www.yntjj.com.cn) (www.yntjj.com.cn) strong, credible, in Zhengzhou, Henan Province of charge, flux and other industries has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead shangzhuang Refractories and you hand into the brilliant, for a better future!