Potassium Nitrate

1.It is mainly applied in TV kinescope glass,glass refining agent and motor light glass; 2.compound fertilizer and foliar spray fertilizer for crop and flower; 3.fireworkss to produce purple flame and black powder in mine,ignition wire and firecracker; 4.drugs as penicillian potassium salt in medicine industry and catalyzer;ceramaic and enamel; 5.salt bath of heat treament,cigarette paper,concentrating agent; 6.conservatives in salted meat and chromogen in food ondustry,etc. Industrial GradeExport GradeUnitFine GradeFirst GradeRegular GradeUnitIndustrial GradeAgriculture GradePurity%≥99.799.499%≥99.897.5Mositure%≤0.10.10.3%≤0.1Chloride(as CL)%≤0.010.020.1%≤0.01-0.030.8Insoluble matter in water%≤0.010.020.05%≤0.01Sulphate(as SO4)%≤0.0050.01%≤0.01Hygroscopicity%≤0.250.3%≤0.25Iron(Fe)%≤0.003%≤0.003K2O%≤46Nitrogen (in nitrate)%≥13.5Particle size0.2-2.5,1-3,0.2-5MM0.2-2.5,1-3,2-5,0.2-5