Calcined magnesium oxide
According to the operating temperature, magnesia made from magnesite is calcined magnesia; Magnesium oxide produced by coke burning at 1400-1800 ℃ is re-burned magnesium, also known as dead burned magnesium; Magnesium oxide, which is fired from coal or gas as fuel at 700-1000 ℃, is light burned powder, also known as caustic magnesium; Low-grade magnesium oxide, also known as bitter clay powder, is produced by mixing low-grade magnesite and anthracite.
The chemical composition of magnesite is MgCO3, with a relative molecular weight of 84.31. MgCO3 is the main component, SiO2, CaO, Al2O3 and Fe2O3 are the secondary components, while the content of MgO is usually 35% - 47%. The calcined magnesite is mainly used for refractories, and also has applications in the manufacturing of magnesia-chrome bricks and calcium-magnesia-carbon bricks, insulating fillers for electric heating electrical components, feed, building materials and other fields.
Industrial magnesium oxide
Industrial magnesium oxide, also known as light magnesium oxide, has a bulk density of 0.2-0.3g/ml. Magnesium oxide made from MgCl · 6H2O or sea brine as raw material is light magnesium oxide, and magnesium oxide produced by dolomite carbonization method is also classified as light magnesium oxide.
Light magnesium oxide is a odorless, odorless, non-toxic white amorphous powder, mainly used for manufacturing enamel, ceramics, refractory materials, etc; Serve as filler in the production of polishing adhesive and paint; It acts as accelerator and catalyst in man-made fiber and rubber (fluororubber and neoprene); In food processing, it can be used as decolorizing agent for sugar refining, PH regulator for ice cream powder, etc; In medicine, it is used as a laxative and antacid to treat duodenal ulcer and hyperacidity; As animal feed and fertilizer in agriculture; In the construction industry, we can produce special cement and insulation board containing magnesium.
In addition, it can also be used in water treatment, flue gas cleaning, and also in cable, glass dyes, uranium processing, silicon steel industry, insulation material industry, petroleum additives, electronic industry, casting, phenolic plastics and other industries.
Disclaimer: The image materials and articles of this platform are from the network, so the copyright belongs to the original author. If it infringes your copyright and interests, please contact us, we apologize and delete it quickly. Source: Rubber Technology Network
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