Silicon carbide
It is a kind of man-made material, and is fused in an arc furnace from a mixture of nature silicon, coal (or cola), and small salt at the temperature of 2000-2500℃ . A wide use of Sic is in abrasive wheel, refractory and ceramic materials etc. It is divided into black and green Sic.
The grit size range: F12-F1500
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