The normal storage period of metal buttons is one year or more. If it is a leather product that is bound in leather clothing, leather bags, leather shoes and caps, it must be noted that it may be oxidized.
In daily life, it is necessary to pay attention to the use of copper buttons in the process of use and storage do not damp, do not contact with alkaline and acidic substances, can effectively prevent moisture, oxidation corrosion.
Metal buttons generally use a rack plating/barrel plating process and then do not fade the protective film on a layer, but this layer of protective film wears off after a long period of use. The effect of nail polish is similar to that of a protective film. of.
1, this is not oxidation, is a button metal to corrosion, (the leather contains acid). This is to do special treatment during the production of buttons. At present, the button oxidation protection technology we produce still has a certain degree of functionality.
2, it may be that the metal zipper plating process is not good, it may also lead to fade.
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