Causes of surface oxidation of metal buttons and prevention measures

In our daily life, in order to decorate clothing, shoes and bags, may be more applied to metal buttons. However, for a long time, we will find that metal buttons are susceptible to oxidation due to environmental influences. Light affects the appearance of beauty, and severe cases may result in unusable clothing, which reduces the use value of clothing. Therefore, for metal buttons, we should keep it properly, and usually pay more attention to oxidation prevention.


The main causes of oxidation of metal buttons are these three points:

First, the atmospheric humidity is high. When the atmosphere reaches a certain degree of humidity, water and oxygen combine to cause oxidation of the metal surface, and a series of chemical reactions cause oxidation of the surface of the metal button.


Second, the air contains corrosive gases. When the air contains a large amount of corrosive gases, the impact on the surface of the metal buttons is extremely large. This intermediate is the most affected by sulfur dioxide, and the main source of sulfur dioxide is coal combustion.


Third, the dust in the air, such as smoke, coal ash, chloride and other acids, alkalis, salt particles, etc. are also extremely corrosive. If exposed to air and combined with water, it will become the strongest corrosion factor for metal buttons.

After understanding the causes of the surface oxidation of metal buttons, how should we take preventive measures based on these causes?

The rule is to cure the root cause, find the factors that may lead to oxidation can fundamentally prevent oxidation. Since corrosion is caused by factors such as moisture, high temperature, oxygen, sulfur dioxide, chlorides, and dust, the prevention of oxidation is to avoid contact with these factors as much as possible.

At present, anti-oxidation work has been done in advance during the production of buttons. Such as: adding some elements in the metal smelting, improve the ability of the metal to resist the erosion of external media; corrosion-resistant surface treatment of the metal buttons to form a surface conversion layer or add a surface coating; cathodic protection, that is, the use of rust inhibitor Gas phase corrosion inhibitors, peelable plastics, and sealing methods temporarily isolate the metal surface from the external environment.

These anti-oxidation materials can also be smoothly removed when metal buttons are used. This method can be used for up to several years.




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