China Magnesium Oxide Powder for Emery
Product Details. Specification Magnesium Oxide Powder for Emery Stone: Application: Magnesium Oxide Powder for Emery Stone,Star Grace magnesium Oxide 92% is recommended due to low CaO (2% max) and SiO2 (% max),it is also suitable for mill stones, grinding wheels, or polishing abrasive production, Magnesium oxide is used to reacts with Magnesium Chloride.