| 申请日期 | 2025-09-12 | 申请号 | WOEP19052438 |
| 公开（公告）号 | WO2019149854A1 | 公开（公告）日 | 2019-08-08 |
| 公开国别 | WO | 申请人省市代码 | 全国 |
| 申请人 | SAINT GOBAIN CT RECHERCHES | ||
| 简介 | Particle powder, a number greater than 95% of the particles having a circularity greater than or equal to 0.85, the powder containing more than 99.8% of a rare earth oxide and/or a hafnium oxide and/or an aluminium oxide, as a percentage by weight on the basis of the oxides, and having : - a median particle size D50 less than 15 μm, a 90th percentile of the particle sizes D90 less than 30 μm, and a size dispersion index (D90 - D10)/D10 less than 2; and - a relative density greater than 90%. | ||
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