Sell black fused alumina

Description

Black aluminium oxide/black fused alumina BA Al2O3 *8%*****2O3 5.0%*****2 9.0%*****2 1.**3.0%***** density 3.*1% hardness(mohs) 9 materials Bouxite Black aluminium oxide(lower aluminium oxide abrasive)is a new type abrasive material for polishing various metal.Black aluminium oxide abrasive is featured with high hardness, strong tenacity, good self-sharpening, better cohesisness, higher durability, less heat generated in grinding and giving the metal works high finish, less power weakened in ***** is mostly used in grindin and polishing stainless steel, metal works , optical glass, bamboo or articles.And it is also the new grinding material of producing colophony grinding wheels, slice, and emery cloth. Grit size: *6#, *0#, *4#*0#, *6#, *6#, *4#, *0#, *0#, **0#, **0#, **0#, **0#, **0# **0#