What is the raw material for the aircraft meal aluminum foil tray?

Most of the trayon the plane are made of aluminum foil. The main reason is that ordinary plastic products cannot be used for high temperature heating. For example, plastic products will migrate out of toxic substances when heated. Secondly, the aluminum foil as a safe, hygienic and environmentally friendly material, and as a packaging material, its important feature is excellent barrier performance, which can effectively block air, water and light, thereby maintaining or prolonging the shelf life and freshness of the food. The airline aluminum foil tray is generally formed by 8011 aluminum foil or 3003 aluminum foil alloy through one-time stamping and punching. The product has a certain hardness, the product price is moderate, and it is disposable, and the aluminum foil is a kind of recyclable. Environmentally friendly materials for infinite recycling. The heat transfer performance of aluminum foil just meets the requirements of short range and fast heating.