Another traditional mainstay among food manufacturers is retort packaging. Since this form of packaging utilizes high food-grade materials; it is ideal for ready-to-eat meals and other perishable food items. Manufacturers can also rely on retort packaging for the convenience it can bring on the whole production process – from preparation up until sterilization.
It is made up of flexible plastic and metal foils that are required to withstand various heat cycles and undergo numerous purification processes that are needed to meet optimum sterile packaging standards. Unlike metal cans, retort packaging has very minimal product-container interaction.
Liquid seasonings, sauces, ready-to-eat, and microwaveable meals are usually the products that use retort packages.