C&H 571 is a highly concentrated liquid inorganic rust inhibitor engineered for all iron, steel, yellow and soft metal parts when additional corrosion, oxidation or rust protection is needed. C&H 571 is specifically designed to provide in-process rust protection and short-term indoor part storage. C&H 571 provides superior rust protection in wash and final rinse sections of all aqueous industrial parts washers from heated high pressure spray cabinets & conveyorized systems to free standing manual and immersion type tanks.