Controzon W forms a flexible wax film on the surfaces of the vulcanizates and protects them from crack formation due to ozone attack under static conditions. Controzon W acts as a carrier for chemical ozone protecting agents and antioxidants and improves their effectiveness. The addition of about 2 phr prevents the ozone attack known as the "frosting effect". Supplied as pellets, Controzon W is easy to handle and to weigh.

Universal antiozonant wax for rubber articles based on NR, IR, SBR and CR, which are used at medium temperature, e.g. moulded articles and extruded sections, microcellular rubber and conveyor belts, and in articles for food applications as well.