Purity requirements for tin box

Edit£ºtin box manufacturer in china   Browse£º Times  Date£º2023-05-26

Purity requirements for tin box

The purity requirement for tin cans containing food is over 97%, preferably reaching 99% purity. Because tin metal itself is non-toxic and does not produce toxic oxides, high-quality tin tea cans are suitable for containing food. But when tin is mixed with metal lead, it is completely different. After being used for a long time, the heavy metal lead contained in it will be separated. After daily contact with hands, a certain amount of lead will also be stained, which can inadvertently enter the liver of the human body. Over time, accumulation can have unexpected consequences, so the quality of tin tea cans is very important.

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