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GRINDING BALLS AND PRODUCTION METHOD THEREOF

2025-06-18 08:412330下载
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The invention relates to sintered ceramic grinding balls comprising the following compounds (by wt.-%%) : 18 to 50 wt.- %% mullite (3Al2O3.2SiO2); 9 to 25 wt.- %% zirconium (ZrO2 + HfO2) stabilised by 0.5 to 3 wt.- %% rare earth oxide; and 25 to 72 wt.- %% alumina (Al2O 3). © KIPO & WIPO 2007


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