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The calcination of magnesite at the high temperature of 750 to 1100 is called "light burning ", and the product obtained is called light burning magnesium powder, referred to as light burning powder. The main uses of light burning powder are as insulation and sound insulation building materials, manufacturing cementitious materials, it can also be used as raw materials for the manufacture of ceramics. Light burning powder
Because the tank of light burning biogas tank will be in contact with water for a long time, the water resistance of the product is relatively special, but also has good stability. Use a high content of light fired magnesia powder, e.g. 88% light fired magnesia powder. The amount of caustic soda of finished products can be controlled by choosing ores with ultra-low caustic soda content. In addition, the control of caustic soda can improve the water resistance of the product.
The light burning powder used in the biogas tank must have 4-7 hours of solidification time. The biogas tank has very strict requirements on the solidification speed of the light burning magnesium oxide powder. If it is too fast, the stability is relatively poor.
88% light fired magnesia powder, that is, 90% light fired magnesia powder, it has good water resistance. And 90 powder is afraid of burning the product is too cooked, that is, too burnt.
The main use of light magnesium oxide is used in the production of rubber products and neoprene adhesive. In the manufacturing of rubber products, magnesium oxide plays the role of acid absorbent and accelerator, and in the production of neoprene adhesive plays the role of vulcanization crosslinking, anti-coke agent and resin chelating.
Magnesium oxide also has applications in the manufacture of ceramics and enamels, where it serves to reduce the sintering temperature and acts as a filler in the manufacture of grinding wheels and paints. In addition, it has been used in medicine, food processing, agriculture, electronics industry, insulating material industry and so on.