Does the internal coating of food iron box packaging have an impact on food?

On the shelves of major supermarkets, food iron box packaging is our most common iron box packaging products, such as biscuit iron box, candy iron box, etc. As long as you observe carefully, you will find that the inside and outside of the iron box will be coated with an oil film-like coating. Almost every iron box will have these coatings, so do these coatings have any impact on the foods we eat directly? Today, food iron box manufacturers will give a picture of whether the internal coating of food iron box has an impact on food?

The oil layer coated inside the iron box is usually golden, and the professional term is to coat food-grade gold oil. It is mainly used to prevent the packaging content from eroding the tinplate box, preventing food from being contaminated, and can better extend the storage time of food. Common ones are biscuit iron boxes, canned food, etc. It is not difficult for you to find that the inside of the iron box is golden.

The oil layer coated on the surface of the food iron box is commonly known as oil treatment in the iron canning industry. The general coating on the outer surface of the iron box is for decorative effect. Applying this layer of substance is not only for beauty, but also for preventing oxidation and rust and protecting the paint surface, just like the same as a film on a mobile phone screen. This application substance is a non-toxic and harmless, stable chemical properties, strong flexibility and high temperature resistance. It will not undergo any chemical changes at high temperature or normal temperature and will have no impact on the packaged food.

To sum up, the main purpose of the coating applied to the inner and outer surfaces of the food iron box packaging is to play the role of oxidation of the partition square, protecting the food iron box from being easy to corrosion and rust. When purchasing the products packaged by the iron box, you can buy it with confidence!