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quality Tinplate for food can introduce the reasons why tinplate rusts in a humid environment

  • Categories:Industry News
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  • Time of issue:2022-04-13 15:58
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(Summary description)As a common type of packaging on the market, tinplate has been around for a long time, but some customers have reported that tin boxes are prone to rust.

quality Tinplate for food can introduce the reasons why tinplate rusts in a humid environment

(Summary description)As a common type of packaging on the market, tinplate has been around for a long time, but some customers have reported that tin boxes are prone to rust.

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2022-04-13 15:58
  • Views:
Information

As a common type of packaging on the market, tinplate has been around for a long time, but some customers have reported that tin boxes are prone to rust. For this kind of situation, I believe many people can understand it, but the specific reasons are not very clear. The following quality Tinplate for food can editor will briefly introduce it to you.


The material of tinplate manufacturers is tin-plated steel sheet. Due to the different metallic properties of iron and tin, the two metals are prone to oxidation reaction under natural conditions, resulting in corrosion and rust of the iron sheet. However, as long as you keep the well-made iron box packaging, you basically don't need to worry about this problem. Because before the iron box is formed, the tinplate will be treated with anti-rust treatment. One is to add varnish to the printing, which not only beautifies the iron box, but also uses the ink used for printing and the varnish on the surface to double-layer protection for the iron material. Processing; the other is plain iron box, directly over varnish without printing. These two methods can well isolate the contact between the iron material and the moisture in the air, and slow down the oxidation speed of the iron material. However, if there is rust, it means that your tinplate product is placed in a humid environment. In a humid environment, the air contains a lot of water molecules, and the iron material and it are oxidized to rust. Another reason is that your tin box product is damaged, scratches or friction cause the surface to lose the protection of the ink, and the iron material is exposed to the air, which in turn causes the tinplate to oxidize and rust.
The above is the editor of quality Tinplate for food can: the reason why tinplate rusts in a humid environment.

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