Characteristics of alumina ceramic grinding balls and four …
Alumina ceramic grinding balls are made of high-purity alumina powder rolled by a ball forming machine or isostatically pressed and then sintered at high temperature. The density of 92 alumina balls is about 3.6, the Mohs hardness is 9, and the water absorption is about 0.01. %, the self-wear amount is 0.01. Because of the above …Web
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