Specific Indicators of Reactive Magnesium Oxide

    Generally speaking, high reactive magnesium oxide is a superfine powder, is a kind of particles that size between 10nm and 1000nm. Due to the tiny utrasmall particle size, it usually has some special properties of magnetic, electrical, acoustic, thermal sensitivity and etc, and it is widely used as a new type of material. Citric acid activity value shows that reactive is between 12 and 25, the larger value, the lower activity. Inhale iodine value shows that reactive is between 80 and 125 mgI/100gMgO, and specific surface area is between 5 and 20, apparent specific volume is between 6 and 8.5 ml/g.

    The purity of reactive magnesium oxide is tested by some indicators, such as activity of citric acid, iodine value, oil absorption value, etc. Due to the activity of solid matter is proportional to the active magnesium oxide surface area, there are some people using surface area the size to express reactive. 

    Reactive magnesium oxide has a good sintering performance, do not need to use the additives to realize low temperature sintering, is a good high functional fine inorganic material. It also can be used for electronic ink, important raw material for harmful gas adsorbent, crystalline ceramics and multifunctional magnesium oxide thin films. It is expected to develop into advanced materials used in the condition of high temperature and corrosion. In addition, reactive magnesium oxide also can be used as filling of paint, paper and cosmetics.

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