
High Alumina Ceramic Balls for Grinding and Polishing. High Alumina Content: Available in 60%, 75%, 92%, and 99% Al2O3 content options for various grinding needs. High Hardness & Wear Resistance: Mohs hardness up to 9 with low wear loss (<1.6 g/kgh) and high crushing strength. Wide Size Range: Sizes range from 0.5mm to 60mm, including standard dimensions like 2mm, 3mm, 5mm, etc. Versatile Applications: Ideal for grinding ceramic, glaze, paint, zirconia, quartz, and other hard materials. OEM/ODM Support: Full customization available from samples or designs with flexible customization options. Strict Quality Control: 100% visual inspection of finished products by 7 dedicated QA/QC inspectors. Fast Lead Time: Average lead time within 15 workdays or one month, depending on the season. Reliable Manufacturer: Established in 1997 with 27 years of export experience and ISO9001:2015 certification.