I. Overview
High purity magnesium oxide has excellent alkali resistance and electrical insulation at high temperature, with good light transmission, often can be used as high temperature heat resistant materials. In ceramic field, it is used as raw material of light transmitting ceramic crucible, substrate, etc. In the electrical field, it is used as filler for magnetic devices, insulating material, and various carriers. It is also used as raw material of high purity electrofused magnesium sand, which can be used as “analytically pure” magnesium oxide in chemical industry.
Generally high purity magnesium oxide refers to the product with magnesium oxide content more than 98%, so that magnesium oxide has good alkali resistance and electrical insulation at high temperature, and good light transmittance, high thermal conductivity, large coefficient of thermal expansion. Among them, ultra-fine high-purity magnesium oxide has become the focus of industry development. Ultra-fine magnesium oxide is the high-end magnesium oxide which has been gradually developed in recent years. High purity magnesium oxide generally refers to the magnesium oxide with content higher than 98%, mainly used in high-end fields and other industries, such as medicine, food, silicon steel, analytical purity and other industries. High purity magnesium oxide is classified according to the usage, including electrofused magnesium oxide, silicon steel magnesium oxide, electromagnetic magnesium oxide, pharmaceutical magnesium oxide and single crystal magnesium oxide, etc.
High purity magnesium oxide according to the classification of use...
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