（code：A）
Characteristic:
Brown Aluminum Oxide powders are fused with premium raw materials and 3500 KVA furnace. It is perfect material specifically manufactured to be used for general abrasive applications in bonded abrasive tools, and lapping and polishing processes. While aluminum oxide has lower hardness and abrasive capacity than diamond, boron carbide, and silicon carbide.
Applications：
Particle size：
Coarse grain（ F12～F220、P12～P220）? ? ? ? ? ? ? ? ? ? ? ? ?Micropowder(#240～#8000、F230～F2500 、P240～P4000)
