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What is magnesium Oxide?
Magnesium dioxide, is an inorganic compound with the chemical formula of MgO. This oxide of magnesium is an ionic substance. The solid is white at room temperature. Magnesium oxide is found naturally in periclase. It is used as a raw material in magnesium smelting.
Magnesium dioxide has excellent fire resistance and insulation qualities. Magnesium oxide can be crystallized after burning at high temperatures above 1000degC. Burnt magnesia is formed when the temperature reaches 1500-2000degC. Magnesium-oxide ceramics are high-temperature resistant, have excellent conductivity and mechanical strength. They can be used to make microwave media, thick film integrated semiconductors and glass-ceramics.
Concentrated application of magnesium oxide to ceramics
1. Magnesia and alumina of high purity are used for molten ceramic particle preparation, which is widely used in abrasive tool manufacturing. Rare earth oxides can also be added as a sintering help to create silicon nitride. These ceramics can then be used efficiently and economically to manufacture products with complex shapes.
2. Preparation of magnesia core
The temperature at which the magnesia core can be used is no less than 1600°C. This ceramic core does not react when exposed to high temperatures. Castings with silicon-based cores have a smooth surface, which compensates for the many pores and holes that are present in the internal cavity. It is easy to strip, with simple equipment and pollution-free processes. The core size is high precision, and it will not deform or break during the handling of the furnace.
3. Prepare high-toughness materials by using high purity magnesium oxide, yttrium dioxide or rare-earth metal oxides in composite stabilisers. These ceramics have excellent mechanical properties as well as high temperature ageing resistance. The ceramic material has many applications, including high-temperature engineered parts and advanced materials.
(aka. Technology Co. Ltd., a global supplier & manufacturer of high-quality chemical materials and Nanomaterials with more than 12 years experience, is a trusted name in the industry. The magnesia oxide powder that we produce is of high purity with a fine particle size. If you need lower, please call us.