... )0.03% maxIRON(as Fe)0.002% maxNITRITES0.01% maxHEAVY METAL (as Pb)0.001% maxPARTICLE SIZE100% -20 mesh, 95% +200 ... substances. Store protected from moisture. ApplicationGlass, Explosives, Pyrotechnics, Matches, Fertilizers, Metal Heat Treatment and Heat Transfer, Ceramics, Oxidizer, Petrochemicals, Toothpaste, Denitrifies ...