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What Is Abrasive?

An abrasive is a material, often a mineral, that is used to shape or finish a work piece through rubbing which leads to part of the work piece being worn away.

Abrasives generally rely upon a difference in hardness between the abrasive and the material being worked upon, the abrasive being the harder of the two substances. However, this is not necessary as any two solid materials that repeatedly rub against each other will tend to wear each other away (such as softer shoe soles wearing away wooden or stone steps over decades or centuries or glaciers abrading stone valleys).

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This entry was posted on October 13, 2015 by in Uncategorized.
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