Paraffin wax, also known as crystalline wax, is a kind of dissolved in gasoline, carbon disulfide, xylene, ether, benzene, chloroform, carbon tetrachloride, naphtha and other non-polar solvents, insoluble in water and methanol and other polar solvents, each type of wax and according to the melting point, generally every 2℃, divided into different varieties, such as 52,54,56,58 and other brands. Crude paraffin wax has a higher oil content and is mainly used for making matches, fiberboard and canvas. Fully refined paraffin wax and semi-refined paraffin wax are widely used. They are mainly used as components and packaging materials for food, oral drugs and some commodities (such as waxed paper, crayons, candles, carbon paper), as dressings for baking containers, for fruit preservation, electrical component insulation, to improve rubber anti-aging and increase flexibility, etc.