Petroleum products: Coumarone resin, petroleum resin, liquid coumarone, tar resin, petroleum asphalt, etc. Coal products: Coal tar pitch, high-temperature pitch powder, coal tar, etc. Rosin, stearic acid, paraffin wax,Paraffin wax is a mixture extracted from petroleum or certain distillates of other asphalts, mainly composed of solid alkanes. It is odorless and tasteless, appearing as a white or light yellow semi-transparent solid. Paraffin wax is non-toxic but has a noticeable greasy feel. There is also synthetic paraffin.Paraffin wax is a type of petroleum processing product and a kind of mineral wax. It is obtained from lubricating oil distillates through processes such as dewaxing by refrigeration crystallization, pressing to remove wax to form a wax paste, followed by solvent deoiling and refining to produce flake or needle-like crystals. It is used in the production of high-grade fatty acids, high-grade alcohols, candles, ointments, electrical insulation materials, etc.

Paraffin wax is divided into food-grade and industrial-grade. Food-grade is non-toxic, while industrial-grade is not edible.