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The scope of application of high-end magnesium oxide in the electronics industry

wallpapers News 2021-04-02
Magnesium oxide is an alkaline oxide, which has the same properties as alkaline oxides and is a gelling material. It is a white or off-white powder, odorless, tasteless, and non-toxic. It is a typical alkaline earth metal oxide with the chemical formula MgO. The melting point is 2852°C, the boiling point is 3600°C, and the density is 3.58g/cm3 (25°C). Soluble in acid and ammonium salt solution, insoluble in alcohol. The solubility in water is 0.00062 g/100 mL (0 °C) and 0.0086 g/100 mL (30 °C). When exposed to the air, it easily absorbs water and carbon dioxide and gradually becomes basic magnesium carbonate. Light products are faster than heavy products. It combines with water to form magnesium hydroxide under certain conditions, showing a slightly alkaline reaction, and the pH of a saturated aqueous solution Is 10.3. It is soluble in acid and ammonium salt and hardly soluble in water, and its solution is alkaline. Insoluble in ethanol. It has strong refraction in the visible and near-ultraviolet range.
 
In today's society, the requirements for magnesium oxide are getting higher and higher, and high-tech industries such as high-temperature heat-resistant materials, ceramic materials, and electronic substrates will choose to use magnesium oxide to improve product performance.
 
Electronic components generally use oxide ceramics. Because of its greater surface activity and high-temperature characteristics, magnesium oxide is the main raw material in oxide ceramics. In the research and development of high-purity and high-density electronic component materials, magnesium oxide uses its own characteristics and uses magnesium oxide with a purity of more than 99.5% as raw materials to ensure the purity of electronic components.
 
High-purity nano-magnesium oxide is produced by advanced technology, with a purity of more than 99.95% and an average particle size of 10nm. Compared with traditional technology, it has the advantages of high product purity, fine particle size, large specific surface area, and good dispersion. It has excellent alkali resistance and electrical insulation at high temperatures, high thermal expansion coefficient and thermal conductivity, and good light transmittance. It also has good sintering properties. Low-temperature sintering can be achieved without the use of sintering aids, and high-density fine-crystalline ceramics or multi-functional magnesium oxide films can be made, which is expected to be developed as electronic component materials under harsh conditions such as high temperature and high corrosion.

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