The preservation effect of metal tin cans on food

Now more and more businesses are paying great attention to packaging supplies, especially tin-plated iron metal products, tinplate can packaging, and tin box packaging. A good product is inseparable from its raw materials, so in these packaging, how can we choose a good tin box packaging or tin can packaging

Usually, when customers choose metal tin cans, they must first check whether the raw materials are good materials, and secondly, it is to look at the appearance of the packaging tin box, whether there are defects, whether there is color difference in printing, etc. Whether the tin can packaging process can ensure product quality. Usually, a layer of varnish is coated on the tin can (metal can) to increase the gloss and scratch resistance of the printed part, and it can also enhance a certain hardness, so that the printing surface coating has a certain flexibility and corrosion resistance. sex.

Tin-plated iron has opacity, good sealing and the reducing effect of tin: it can react with residual oxygen, and the preservation effect is very good. The source of effective iron (the trace iron element required by the body), tin-plated iron also has the characteristics of corrosion resistance, non-toxicity, high strength, good ductility, etc., and is suitable as a metal packaging material. In order to maintain the original quality of various foods, as early as 1819, American Underwood opened the first tinplate can factory in Boston. The end is welded with a round bottom, a hole is opened at the top, and the food is put into the cylinder. This is the first high-end tin box packaging. With the passage of time, people print patterns on tinplate, so that tinplate metal cans not only have the function of food preservation, but also have a decorative appearance, which can also attract customers' attention.

Metal cans produced from tin-plated iron have a protective effect on food. But don't confuse tinplate metal cans with metal cans. Usually, the tinplate metal cans mentioned are tin boxes made of tin-plated iron. The metal can is different: the metal can is the pop-up can, and its can lid and can body are produced separately, and finally assembled together. There are two materials for making cans: aluminum and tinplate. Both tinplate cans and metal cans must look at the nature of the raw materials.

In fact, the packaging cost of wooden cans or paper cans is much cheaper than that of tin cans, and it can also be printed with exquisite patterns, but high-quality products require high-quality packaging; although the unit price of tinplate cans is relatively high, the packaging container has strength High, good formability, strong compatibility with products and many other advantages. If you want to make your products look high-end and store for a longer time, tinplate metal cans can be said to be the best choice for packaging, and they also have different values ​​for the products.