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Grinding Calcium Carbonate Micron

Calcium carbonate - Wikipedia. Ground calcium carbonate is an abrasive both as scouring powder and as an ingredient of scouring creams, in particular in its calcite form, which has the relatively low hardness level of 3 on the Mohs scale, and will therefore not scratch glass and most other ceramics, enamel, bronze, iron, and steel, and have a moderate effect on .

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