Grade standard: industrial grade; agricultural grade
Appearance: Colorless transparent rhombohedral
or tripartite crystal system particles or white powder
Solubility: water soluble
N: 13.5%min K2O: 46%min
Total primary nutrient: 59.5%min
Moisture: 0.1%max
Water insoluble: 0.02%max
Heavy metal (as Pb): 0.001%max
Chloride(as Cl): 0.02%max
Sulphate(as SO4): 0.01%max
