Potassium nitrate Specification: Appearance : White powder Purity : 99.8% Min Moisture : 0.1% Max Chloride : 0.01%-0.03% Insoluble matter in water: 0.02% Max Iron :0.003% Packing: Packed in PP woven bags of 25kgs net each with PE liner inside, 25Mt per 20'FCL Application: It is mainly applied in TV kinescope glass, alss refining agent and motor light glass.Compound fertilizer and foliar spray fertilizer for crop and flower,fireworks to produce purple flame and black powder in mine, ignition wire and firecracker,drugs as penicillian potassium salt in medicine industry and catalyzer,ceramic and enamel,salt bath of heat treatment, cigarette paper, concentrating agent,conservatives in salted meat and chromogen in food industry.