... Barium Nitrate 99.3% Powder and Crystal Mainly used in making other barium salts, explosive, firework, optical glass et Barium Nitrate 99.399.3% crystal or powder ... Sepc:Ba(No 3 )2: 99.3% minMoisture: 0.1% max ... with film lining Application: Mainly used in making other barium salts, explosive, firework, optical glass etc.