Mineral oil refers to the base oil extracted from petroleum using physical distillation method called mineral oil, white mineral oil, usually refers to white mineral oil. It is a special deep-refined mineral oil, so white mineral oil is colorless, tasteless, chemically inert, and has good light stability. Its basic composition is a saturated hydrocarbon structure, and aromatic hydrocarbons, nitrogen, oxygen, sulfur and other substances are close to zero. Has good oxidation stability and chemical stability.