... competitive price 4)super supplier sodium nitrate for metallurgySodium Nitrate for industry use (NANO3)Property:Appearance:White fine crystal ... important chemical material and widely used in the industry including:glass,dye,detonator,metallurgy,machinery and vitreous ... lots of water Usage:For chemical, glass, explosive, fireworks, dye, metallurgy, machinery, enamel industry, meat antiseptics, etc. ...