Potassium Sulphate

Moisture per cent by weight, maximum 1.5

Water soluble potassium (as K2O) per cent by weight, minimum 50.0

Sulphate Sulphur (as S) per cent by weight, minimum. 17.5

Sodium as NaCl per cent by weight, (on dry basis), maximum 2.0

Total chlorides (as Cl) per cent by weight, (on dry basis),maximum 2.5