Yingfengyuan Industrial Group Limited is one of the leading China potassium nitrate industrial grade manufacturers and suppliers,Website: , equipped with professional factory, we are able to offer you best and cheap potassium nitrate industrial grade products.Potassium nitrate   1) 99.4% min   2) White crystal /power or granular   3) ISO9001 approval   4) free sample is available Name:  Potassium  nitrate , Industrail GradeMF:  KNO3 Standard: GB/T1918-1998Appearance: White  crystal /Powder or GranularSpecification:ASSAY (as    KNO3)99.4% minPOTASSIUM    OXIDE (as K2O )46.0% minNITROGEN13.0% minMOISTURE0.1% maxWATER    INSOLUBLES0.02% maxSUIPHATE (as    SO4)0.01% maxCHLORIDE (as    Cl)0.03% maxIRON(as Fe)0.002% maxNITRITES0.01% maxHEAVY METAL    (as Pb)0.001% maxPARTICLE SIZE100% -20   mesh, 95% +200 meshPacking and Storage: 25 kgs pp bag 20-25mt 20fcl  Application :  ·  Glass, Explosives,  ·  Pyrotechnics, Matches, Fertilizers,  ·  Metal Heat Treatment and Heat Transfer,  ·  Ceramics, Oxidizer, Petrochemicals,  ·  Toothpaste, Denitrifies, eat Curing,  ·  Cheese, rocket propellants