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Electrical Steel

Messi’s MgO are high purity, micronized grades of magnesium oxide that are used in the manufacture of silicon grain-oriented steel for high efficiency distribution transformer cores, specialty ceramics, and coatings.

In the annealing process, MgO react with the silicon steel to form a glass-like film during the high temperatur

e anneal, which then acts as an electrical insulator between core

laminations in an electrical transformer.