99.9% Alumina Ceramic Grinding Media Beads Ceramic Grinding Ball

99.9% Alumina Ceramic Grinding Media Beads Ceramic Grinding Ball. High Density and Hardness: Density >=3.8g/cm3 and Mohs Hardness 9 for efficient grinding. Wide Alumina Range: Available in 99.9%, 95%, 92%, and 75% alumina content options. Low Wear Loss: Abrasion rate <=0.01% ensures minimal material contamination. Durable Performance: Balls do not break up during high-speed stirred grinding. Fast Delivery: Standard products available in stock; 10-15 days for custom orders. OEM and ODM Support: Full customization available from samples and designs. Free Samples: Free testing samples provided before official orders. Global Reputation: 15+ years experience with 5 branch factories in China.