The key reason is that ordinary plastic products can not be heated at high temperature. For example, if heated, toxic substances will be transferred from plastic products. Isn't porcelain a better choice? It's true that porcelain can be heated at high temperature with elegant appearance and good touch. Business class and business class kitchenware for a variety of Bone China.

However, the cost of porcelain is very high, and it is unlikely to be used once, and the cleaning cost is very high. In addition, porcelain appliances are heavy, which may improve the fuel consumption of aircraft. As a kind of raw material for safety, environmental sanitation and environmental protection, and as a kind of packaging product, aluminum foil is characterized by excellent isolation performance, which can reasonably isolate gas, water and light, so as to maintain or increase the shelf life and freshness of food materials. The aluminum foil lunch box is generally made of 8011 aluminum foil or 3003 aluminum foil aluminum alloy aluminum foil, which is formed by one-time stamping die with the cooperation of high-speed punch and die. The product has a certain strength, the price of the product is moderate, and it is one-time use. The aluminum foil is a kind of recyclable material for environmental protection. The heat conduction performance of aluminum foil just considers the requirements of short voyage and fast heating. Aluminum foil is widely used in fast food boxes used by aircraft, and the performance of aluminum foil lunch boxes as raw materials is also very high.