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Are you confused about what materials are suitable for use as lunch boxes? Although plastic materials are relatively easy to provide, do you want to use more green and environment-friendly materials as lunch boxes? Let's compare the materials of lunch boxes one by one to help you make correct choices. The following lists the materials commonly used to make lunch boxes on the market. Each type has advantages and disadvantages.
Aluminum material: it is very light, without plastic (if there is no seal), and can last for a long time; Disadvantages: It is very easy to sag. Although this does not affect its function, the aluminum lunch box may be corroded by acidic food. In addition, there are problems about the possible harmful effects of aluminum; Unless there is a silicone/plastic seal around the cover, it shall not be leak proof.
Disposable plastic and styrene, common plastic lunch boxes on the market, are very cheap, free and lightweight; Disadvantages Disposable plastic and styrene boxes (such as takeout boxes) can be used once, but it is not recommended to reuse them, and they are easy to be damaged during use.
Reusable plastic material: practical, economical, light, and the price range is from cheap to expensive, depending on the design and quality. There are a lot of designs and sizes to choose from, but there are also some defects, that is, some people worry about the safety of some plastics, or the possibility of coloring. In addition, not all plastic lunch boxes are safely heated by microwave ovens.
Therefore, the material of the lunch box should be selected according to its purpose.