We are supplier of Potassium Sulphate 100 % Water Soluble, K2O : min 50 %, Chloride : Max 1 % Use: Agriculture Fertilizer K2SO4: 92% min K2O: 50% min Chloride: (0.5+-0.2) % Ca: (1.6 +- 0.1)% Mg: (0.09 +- 0.00)% Fe: (0.05 +- 0.01)% Na: (2 +- 0.2)% Moisture: (0.2 +- 0.01) % Melting Point: 1067 Deg Celsius pH: 3+-1 Solubility in Water: Soluble Bulk Density: 1.1 gm/cm^3 Potassium Sulphate also is known as Sulphate of Potash, is 100% water soluble source of Potassium (K) and Sulphur (S), It can be used in the greenhouse, open field for vegetables, cereals, oilseeds, lawn, turf, and nurseries