retort process

Why Do Tuna Cans Fail After Retort? The Physics of Metal Packaging Reference Standard: ASTM A623 / ISO 9001:2015 (Standard Specification for Tin Mill Products) Short Answer Empty tuna cans with lids frequently succumb to internal “blackening” and geometric buckling during the 121°C retort process due to sulfur-staining kinetics where protein breakdown releases reactive ions … Read more