Description
Chromite sand is a special sand for casting. It is a kind of natural spinel mainly made of chromite. Chromite ore is divided into 2 grades by chemical composition.Level 1 Cr2O3 45% or more; The secondary Cr2O3 35% or higher. Chrome iron sand ismainly used for surface sand of large steel castings in casting production to preventthe surface sand of castings from sticking. Secondly, it is used for refractoryaggregate of casting coating. Chromium iron ore is a cold material, in the molding
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