2016年4月20日星期三

Introduction and advantages of Chromite Sand

Chromite ore is also called chromite sand which is a kind of special sand for casting. Some natural spinel based mainly on chromite ore, then be crushed, grinded and filtered, thus filter the specified size chromite sand out which can be used as modeling sand.
The main content of chromite sand is Cr2O3. It is characterized with stable heating area, ......


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