
Manufacturer 92% 99% Alumina Grinding Ball Activated Alumina Ceramic Ball. Superior Chemical Stability: Resistant to acid (>99.6%), alkali (>85%), and organic solvents with low water absorption. High Hardness & Strength: Moh's hardness >6.5, Vickers hardness 1300, and high crush strength up to 56KN. Customizable Sizes: Available sizes range from 3mm to 50mm with custom non-standard sizes supported. Low Water Absorption: Water absorption rate less than 0.5%, ensuring stable performance in wet environments. Advanced Manufacturing: Produced using spray drying, isostatic pressure, and high-temperature sintering technologies. Lightweight Design: Low density reduces centrifugal load, ideal for high-speed machinery applications. Self-Lubricating Property: Smooth surface finish reduces friction and wear during operation.