Potassium sulphate is a basic raw material for producing various potassium salts such as potassium carbonate and potassium persulfate. The glass industry is used as a sinking agent. The dye industry is used as an intermediate. The perfume industry is used as an auxiliary agent. The pharmaceutical industry is also used as a laxative, treatment of soluble bismuth salt poisoning. Potassium sulphate is a commonly used potassium fertilizer in agriculture. The potassium oxide content is 50%. In addition, potassium sulphate is also used industrially in glass, dyes, spices, medicine, etc.