Potassium Nitrate, Purity : 99%

This is specially processing potassium nitrate with prill less than 1mm, the products are round ball in shape and with high purity. Specification： Item PPM Typical Min KNO3 % ≥ 99.7 99.4 Misture % 0.05 0.15 Chloride Cl PPM 100 200 Insolubles PPM 100 200 SO4 PPM 100 150 Mg PPM 5 10 Na PPM 100 200 Iron