SEPMIN natural silica powder is with purity of more than 99.7 percentage. 1) High quality high quality quartz powder 2) Reasonable price 3) Delivery on time Avalaible Sizes Powders : 10-150 Mesh Grits : 1-2 MM/2-5MM/16-30MM/30-100MM/-100 MM Powdered quartz is used in making porcelain, scouring soaps, sandpaper, and wood fillers. Recent uses are with solar panels. from 63 micron to 20 micron
