Potassium sulfate has excellent physical and chemical properties and has been widely used in many fields. Its main uses include serum protein biochemical testing, Kjeldahl nitrogen catalysts, preparation of other potassium salts, fertilizers, medicines, glass, alum, etc. Especially as potash fertilizer, it is widely used in agriculture.
Potassium sulfate is a colorless crystal, with low moisture absorption, not easy to agglomerate, good physical state, convenient to apply, and is a good water-soluble potassium fertilizer. Potassium sulfate is also a physiological acid fertilizer in chemistry.