Activated alumina 1) high mechanical strenth, 2) stable chemical propertie 3) similar pellets, ... raw material, produced by complex processing, detydration, carbonization, activation. Features:1) smooth appearance,2) high mechanical strenth, 3) stable chemical properties ... strength (n/sphere)Wear rate (w/w, 5%)AA-102-1φ 1.6-2.4mmMin 0.70Min 300Min 0.38Min 35 Max ...