Sell Zinc Powder

Description

Chemical Property: Insoluble in water, soluble in acid and alkali, slowly dissolve in acetic acid, ammonia water. With strong reducibility, and easy to react with acid and alka1i, and release hydrogen at the same time. To have agglomerate in the damp air , stability in dry air , damp air generated white alkali type carbonate sault and cover the superficial. Issuing blue flame to burn in the air, and generate zinc oxide green. Zinc powder with high purtiy reacts slower with of sulfuric acid, nitric acid , on the contrary, reacts acceleratedly when it containing a few other metals, such as steel, tin, and lead is reaction quickly. Grade: *9.2, *6, *8, *9, *9.5 etc. Size: from *0 mesh to ***0 mesh.