What is Magnesium oxide?
Magnesium oxide is an inorganic substance with a chemical formula of MgO, an oxide of magnesium, an ionic compound. It is a white solid at room temperature. Magnesium oxide exists in nature in the form of periclase and is a raw material for magnesium smelting.
Magnesium Oxide MgO
Magnesium oxide is commonly known as bitter soil, also known as magnesia. Magnesium oxide is an alkaline oxide, which has the same properties as alkaline oxides and is a gelling material. White powder (light yellow for magnesium nitride), odorless, tasteless, non-toxic, is a typical alkaline earth metal oxide, chemical formula MgO. White powder, melting point is 2852℃, boiling point is 3600℃, and relative density is 3.58 (25℃). Soluble in acid and ammonium salt solution, insoluble in alcohol. The solubility in water is 0.00062 g/100 mL (0 °C)
Classification: There are two types: light magnesium oxide and heavy magnesium oxide. Lightweight and bulky, white amorphous powder. Odorless, tasteless and non-toxic. The density is 3.58g/cm3. It is hardly soluble in pure water and organic solvents, and its solubility in water increases due to the presence of carbon dioxide. It can be dissolved in acid and ammonium salt solution. It is converted into crystals after high temperature burning. In case of carbon dioxide in the air, magnesium carbonate double salt is formed. The heavy matter is compact in volume and is white or beige powder. It is easy to combine with water, and it is easy to absorb moisture and carbon dioxide in the exposed air. It is easy to gel and harden when mixed with magnesium chloride solution.
Magnesium oxideWith the industrialization upgrade and the demand and development of the high-tech functional material market, a series of high-tech and fine magnesium oxide products have been developed and produced, which are mainly used for high-grade lubricants, high-grade tanning alkali-extracting grade, food grade, medicine, silicon steel grade, high-grade It is composed of nearly ten varieties including electromagnetic grade and high-purity magnesium oxide.
The application of Magnesium oxide:
High purity magnesium oxide
Application areas: High purity magnesium oxide has excellent alkali resistance and electrical insulation at high temperatures. High thermal expansion coefficient and thermal conductivity have good light transmittance. Widely used as high temperature and heat resistant materials. In the ceramic field, it is used as a raw material for light-transmitting ceramic crucibles, substrates, etc., in the electrical materials and electrical fields, for magnetic device fillers, insulating material fillers and various carriers. Used as a ceramic substrate, the thermal conductivity is more than 2 times higher than that of Magnesium oxide, and the loss of electrolyte is only 1/10 of that of Magnesium oxide. It can also be used as a raw material for high-purity fused magnesia, and can be used chemically as "analytical pure" magnesium oxide.
High purity magnesium oxide (typically >99% MgO) is essential for advanced applications where impurities can significantly affect performance. The excellent alkali resistance of high-purity MgO makes it suitable for use in aggressive chemical environments, where it can withstand exposure to alkaline substances without degradation. The electrical insulation properties of MgO at high temperatures are critical for its use in electronic components and insulating materials. The high thermal expansion coefficient and thermal conductivity of MgO contribute to its effectiveness as a thermal management material, enabling efficient heat dissipation in electronic devices. The good light transmittance of high-purity MgO makes it suitable for optical applications, including windows and lenses for high-temperature environments. In the ceramic field, high-purity MgO is used as a raw material for light-transmitting ceramic crucibles and substrates, where its optical transparency and thermal stability are essential. In electrical materials and electrical fields, MgO is used as a filler for magnetic devices, insulating materials, and various carriers. The use of MgO as a ceramic substrate offers significant advantages over other materials, with thermal conductivity more than twice that of other oxides and electrolyte loss only one-tenth of that of other materials. These properties make MgO an ideal substrate for high-performance electronic devices. High-purity MgO is also used as a raw material for high-purity fused magnesia, which is used in various high-temperature applications. The use of "analytical pure" magnesium oxide in chemical analysis is based on its high purity and consistency, making it suitable for use as a reference material and reagent. The continued research on the production and application of high-purity magnesium oxide is expected to lead to new innovations and expanded applications in various fields. The demand for high-purity magnesium oxide in advanced applications is expected to drive continued growth in the production and use of this material.
High-Purity MgO
nanoscale
Application field: Nano-scale magnesium oxide has obvious small size effect, surface effect, quantum size effect and macro tunnel effect. After modification, there is no agglomeration phenomenon. It has many special functions in optics, catalysis, magnetism, mechanics, chemical engineering, etc. And important application value, the prospect is very broad, it is an important new material in the 21st century. Nano-magnesium oxide is widely used in the fields of electronics, catalysis, ceramics, oil products, coatings and so on. Used in different products, they play different roles. They are used as flame retardants in the chemical fiber and plastic industries; high-temperature dehydrating agents in the production of silicon steel sheets, advanced ceramic materials, electronic industry materials, and binders and additives in chemical raw materials; Radio industry high-frequency magnetic rod antennas, magnetic device fillers, insulating material fillers and various carriers; refractory fibers and refractory materials, magnesia chrome bricks, fillers for heat-resistant coatings, high-temperature, insulation-resistant meters, electrical, cables, optical materials, and Steelmaking; electrical insulator materials, manufacturing crucibles, furnaces, insulating conduits (tubular elements), electrode bars, electrode sheets.
Nano Magnesium Oxide
The unique properties of nano-scale magnesium oxide arise from its extremely small particle size, typically ranging from 1 to 100 nanometers. The small size effect of nano-MgO results in significantly different properties compared to bulk MgO, including higher surface area, enhanced reactivity, and improved performance in various applications. The surface effect of nano-MgO is characterized by a high proportion of surface atoms, which contribute to its enhanced catalytic activity and adsorption capacity. The quantum size effect of nano-MgO results in changes in its electronic and optical properties, making it suitable for advanced optical and electronic applications. The macro tunnel effect of nano-MgO contributes to its unusual magnetic and electrical properties, which are being explored for various applications. The modification of nano-MgO to prevent agglomeration is essential for maintaining its unique properties and ensuring consistent performance in applications. In electronics, nano-MgO is used as a dielectric material, insulating layer, and component of various electronic devices. In catalysis, nano-MgO is used as a catalyst and catalyst support for various chemical reactions, including the synthesis of organic compounds and the degradation of pollutants. In ceramics, nano-MgO is used as a sintering aid and as a component of advanced ceramic materials. In the oil industry, nano-MgO is used as a catalyst and as a component of drilling fluids. In coatings, nano-MgO is used as a filler and as a component of functional coatings. In the chemical fiber and plastic industries, nano-MgO is used as a flame retardant, providing fire resistance without the use of halogenated compounds. In the production of silicon steel sheets, nano-MgO is used as a high-temperature dehydrating agent, improving the properties of the steel. In the radio industry, nano-MgO is used in high-frequency magnetic rod antennas, magnetic device fillers, and insulating material fillers. In refractory applications, nano-MgO is used in refractory fibers, magnesia chrome bricks, and fillers for heat-resistant coatings. The use of nano-MgO in electrical insulator materials, crucibles, furnaces, and insulating conduits takes advantage of its high thermal stability and electrical insulation properties. The development of new applications for nano-MgO in these fields continues to be an area of active research, driven by the demand for advanced materials with improved performance. The environmental benefits of using nano-MgO in various applications, including its non-toxic nature and ability to neutralize acidic pollutants, make it an attractive material for sustainable industrial applications. The continued research on the properties and applications of nano-MgO is expected to lead to new innovations and expanded applications in various fields.
In the textile field, with the increasing demand for high-performance flame-retardant fibers, synthetic new high-performance flame-retardants provide ideal materials for the development of functional fabrics. Nano-magnesium oxide is often used together with wood chips and shavings to manufacture refractory materials such as light weight, sound insulation, heat insulation, refractory fiberboard, and cermets. Compared with some traditional phosphorus- or halogen-containing organic flame retardants, nano-magnesium oxide is non-toxic, odorless, and has a small addition amount. It is an ideal additive for the development of flame-retardant fibers. In addition, nano-magnesium oxide used in fuel has a strong ability to clean and inhibit corrosion, and has a good application prospect in coatings.
Due to the excellent characteristics of Magnesium oxide in electrical, thermal and mechanical properties, it is widely used in the field of semiconductor electronic packaging.
Refractory and Electronic MgO
Luoyang Trunnano Tech Co., Ltd (TRUNNANO) is a professional Magnesium oxide with over 12 years experience in chemical products research and development. If you are looking for high quality Magnesium oxide, please feel free to contact us and send an inquiry. 
