Retort application films are specialized packaging materials commonly used for food products subjected to the sterilization process under high temperature and pressure. These films typically have a multilayer structure and are made from materials such as polypropylene, polyethylene, polyester, offering flexibility, durability, and resistance to high temperatures.
Retort application films are employed to ensure an extended shelf life for food products. They are particularly favored in the packaging of products requiring a long shelf life, such as canned foods, ready meals, or vacuum-sealed items.
The sterilization process is usually conducted under high temperature and pressure, making the durability and impermeability of the packaging material crucial. Retort application films are designed to withstand these challenging conditions, preserving the quality, freshness, and nutritional value of the food while securely storing the products.
Thanks to their flexible structures, these films can be used to package products in various shapes and sizes. Additionally, they can be printed on to convey information such as the product brand, content, or instructions.
In conclusion, retort application films are specialized and durable packaging materials used, especially in the food industry, for packaging products requiring an extended shelf life. They assist in preserving the quality of products by maintaining their durability during the sterilization process.