https://www.polishingslurry.com/alumina-polishing-powder/ There are a variety of different applications for alumina powders according to different morphology and purity. Our alumina polishing powder, choose linear and flake aluminum oxide powder which is suitable for use as abrasive, stable performance, strong grinding force, long slurry life. Nano- alumina polishing powders provide a superior quality polished surfaces with a high removal rate and long slurry life. Micro- alumina polishing powder delivers a controlled polished surface with a fast removal rate. Alumina Polishing Powder 1 micron can be used for rough and final polishing of a lot kinds of materials. 3 micron alumina polishing powder made into slurry usually used in the chemical mechanical polishing (CMP) process for rough polishing.