... Powder Used in Metallic Additives 2>Granularity : -20mesh,-40mesh,-60mesh,-80mesh,-100mesh,-150mesh,-200mesh,-325mesh.We can also produce the ... water, dilute sulfuric acid, hydrochloric acid and nitric acid in room temperature, but can be erosion with hydrofluoric acid, ... cause an explosion. Titanium powder is stable in room temperature, flammable in high temperatures, Combustion for the silver-white ...