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A self-cleaning oven is an oven which uses high temperature (approximately 900 degrees Fahrenheit or 500 degrees Celsius) to burn off leftovers from baking, without the use of any chemical agents.
The walls of self-cleaning ovens are coated with materials acting as oxidation catalysts, usually in the form of catalyst particles in a binder matrix. Cerium(IV) oxide is one of the common materials used. Other possibilities are copper, vanadium, bismuth, molybdenum, manganese, iron, nickel, tin, niobium, chromium, tungsten, rhenium, platinum, cobalt, and their oxides, either alone or in mixtures. Highly active coatings typically contain a copper oxide, manganese oxide or cobalt oxide, and copper and manganese oxides are often used together. The binder may be a fluoropolymer or an enamel frit.