Fine alumina polishing powder delivers a good 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. al2o3 powder has strong chemical stability and high Mohs hardness. The polishing slurry made of this particle size alumina powder can not only obtain good surface but also have excellent removal rate. https://www.polishingslurry.com/products/alumina-polishing-powder-1-micron/All Rights Reserved