Potassium hydroxide is commonly known as caustic potassium, potassium ash, etc. The industrial product mainly comes in two forms, solid and liquid. The solid state is in the form of white or light gray flakes, lumps and rods, and the liquid potassium hydroxide is a light yellow liquid. Currently, potassium hydroxide is mainly used to synthesize potassium carbonate, potassium permanganate, etc., and is mainly used in chemical industry, food, medicine, agriculture and other fields.