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หินเจียรยาง - An Overview

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· Has A higher amount of toughness than WA (white alundum), and with the WA degree of hardness, it's fantastic shape retention, so it's a long dressing cycle, and generates tiny heat all through grinding. When compared with WA, it can be used in fields with far more demanding grinding https://beediadiamond.com/catalog/rubber-points
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