Shandong Renwa Abrasive Teh. Co.,ltd.

Sintered fused alumina is new abrasive grains smelted from aluminum oxide, suitable for heavy duty grinding wheels, micro crystalline structure, to replace the zirconia grains, performance close to ceramic abrasive grains.
link:https://www.renwa-abrasive.com/abrasive-grain/sintered-fused-alumina.html