What are the common materials for food cans?

(1) Tinplate:
This is a tin-plated thin steel plate with good strength and formability, which can effectively prevent rust and corrosion. It is often used to make packaging for various canned foods, such as canned fruit, canned meat, etc.
(2) Aluminum:
It is light and has good ductility and corrosion resistance. It is commonly used in canned beverage packaging, such as carbonated beverages, beer, etc.
(3) Stainless steel:
It is strong and durable, has excellent corrosion resistance and high temperature resistance, and is suitable for long-term storage of food.
(4) Glass:
It has high transparency and can clearly show the appearance and state of food. It has good chemical stability and will not react with food.
(5) Plastic:
Common plastic materials include polyethylene (PE) and polypropylene (PP). It is light and not easy to break, but it may release harmful substances at high temperatures, so it is generally used for food stored at room temperature or low temperature.