Corrosion Resistant Aerosol Can Component High-Temp Sterilization Food Grade ECCS Corrosion-Resistant TFS Tin Free Steel Easy Open End for Food Cans Aggressive fillings and high-temperature sterilization destroy ordinary coatings. Our corrosion-resistant tin-free steel (TFS) ends are built with a high-temperature retort lacquer and a sulphur-stain-resistant surface, so they hold up through retorting and long shelf life. Key Advantages Highly targeted corrosion resistance –