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Precautions for using stainless steel screws
Jan 14, 2022 View: 1000
In daily life, stainless steel screws are common fasteners. In the process of use, rust is a common phenomenon, and it is also something that annoys us. This will not only affect the aesthetics, but also affect the performance of stainless steel screws. .
Therefore, we must pay attention to the use points in the process of using stainless steel screws:
1. Organic juices (such as vegetables, noodle soup, sputum, etc.) adhere to the surface of stainless steel screws. In the presence of water and oxygen, organic acids are formed, and organic acids will corrode the metal surface for a long time.
2. The attachment of dust or dissimilar metal particles, in the humid air, the attachment and the condensed water of the stainless steel screw connect the two into a micro-battery, which triggers an electrochemical reaction and destroys the protective film, which is called electricity. chemical corrosion.
3. In the polluted air (such as the atmosphere containing a large amount of sulfide, carbon oxide, nitrogen oxide), when it encounters condensed water, it will form the liquid point of sulfuric acid and acetic acid, causing chemical corrosion.
4. The surface of stainless steel adheres to substances containing acids, alkalis and salts (such as alkali water and lime water splashing from the decoration walls), causing local corrosion.
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