Castrol Techniclean™ S Extra FF is an aqueous, mild alkaline industrial process cleaner, containing highly effective biodegradable surfactants and corrosion inhibitors providing superior temporary rust protection. Techniclean S Extra FF is designed for inter-operational and final cleaning operations of parts and components, suitable for use in a wide range of industrial spray and intensive flood wash machines. It is capable of providing several weeks temporary indoor corrosion protection on ferrous metals, depending on storage conditions. Techniclean S Extra FF effectively removes soluble oils, neat cutting or light forming oils, thin corrosion protective films, lubrication oils and general dirt and shows excellent oil rejecting behaviour that allows removing the oil to ensure a long bath life.