Does the inner coating of food iron boxes have an impact on food?

On the shelves of major supermarkets, food iron boxes are our most common iron box packaging products, such as biscuit iron boxes, candy iron boxes, 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 are asking whether the inner coating of food iron box affects food science?

The oil layer applied inside the iron box is usually golden. The technical term is to apply food-grade gold oil. It is mainly used to prevent the items in the packaging from corroding the tinplate box, preventing food from being contaminated on the wall, and can better extend the storage time of food. Common ones are biscuit iron boxes, food iron boxes, etc., and it is not difficult to find that the inside of the iron boxes is golden.

The surface of the food iron box is coated with an oil layer, which is commonly known as oil treatment in the iron printing industry. The general coating on the outer surface of the tin box is for decorative purposes. This coating is not only for beauty, but also for preventing oxidation and rust, and to protect the paint surface, it is the same as a film on the 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 coating the inner and outer surfaces of food iron boxes is to block oxidation and protect the food iron boxes from corrosion and rust. You can buy with confidence!