content 99.5%above,mesh 200orders.Light gray fine powder Content of 99.5% of the zinc powder, mesh 2000 mesh, 210 otherphysical and chemical nature, solubility soluble in acid, alkali.Appearance and shape of light gray fine powder.The main purpose as a catalyst, a reducing agent for organic synthesis, but also for the generation of non-ferrous alloys. Zinc powder