Aluminum foil lunch box is a new type of environmentally friendly lunch box, which has the advantages of heat preservation, fragrance preservation, harmlessness to human body and environmental protection. However, since many consumers and merchants know little about aluminum foil lunch boxes, the use of aluminum foil lunch boxes is not widespread. Many people also believe that there are harmful substances such as heavy metals in aluminum, and using aluminum foil lunch boxes will cause poisoning, so they dare not use aluminum foil lunch boxes. In fact, aluminum foil lunch boxes are non-toxic, because the melting point of aluminum is very high, and it will not cause harm to the human body to hold ordinary meals.
The raw material of aluminum foil lunch boxes is edible grade aluminum foil, which can be waterproof and maintain freshness. The characteristics of preserving fragrance and freshness make aluminum foil lunch boxes have food packaging properties. The characteristics of high temperature resistance and good oil resistance make it easy to handle various hot meals. Food is the first priority for people, and food safety is the first priority. The embodiment of food safety is not only in the food itself, but also in the lunch boxes that come into contact with food. Plastic lunch boxes on the market are very harmful to human health. When disposable plastic tableware is used to hold hot food or boiling water above a certain temperature, the toxic substances contained in the tableware will seep into the food. If the concentration of such harmful substances exceeds the standard, the toxicity will be greater.
The main material of the aluminum foil lunch box is aluminum foil. There is a dense oxide layer on the surface of the aluminum foil. The chemical properties of this oxide layer are relatively stable. Aluminum ions will not be precipitated unless it is in a strong acid environment. Aluminum has a high recycling rate and can be recycled. It is healthy and environmentally friendly. Aluminum foil lunch boxes are new non-toxic and environmentally friendly tableware. Aluminum foil can transfer energy and prevent meat from direct contact with flames, thereby reducing the chance of being burnt. In addition, wrapping food with aluminum foil can effectively prevent water loss.
In addition to being used as take-out boxes, aluminum foil lunch boxes can also be used as baking boxes. Today, pre-prepared meals are an increasingly popular food that can quickly and easily provide healthy meal options. Due to the increasing demand for pre-prepared meals, packaging methods are also very diverse to meet the needs of different customers. Pre-prepared meals packaged in aluminum foil boxes can be sealed with PP caps or with aluminum foil film using a sealing machine. It can maintain the freshness and taste of food and extend the shelf life, so it has received varying degrees of praise within the scope of application of pre-prepared meals.