Meishen
The special magnesium oxide is mainly used in high temperature annealing isolating agent for oriented silicon steel. When high temperature annealing is heated to about 900?, MgO reacts with the SiO2 oxide film on the surface of the steel strip (2MgO+SiO2?Mg2SiO4) to form a magnesium silicate substrate. good magnesium silicate substrate is an important part of the insulation coating on the oriented steel surface.
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