When the salt spray test machine began to be widely used in machinery, national defense, and light industry electronics, the salt spray test became well known. In fact, the salt spray test is to determine the corrosion resistance of a product under specific circumstances, usually in an atmospheric environment.
The atmospheric environment is the environment where most corrosion occurs. When we test in the atmosphere, we will find that the atmospheric oxygen, temperature changes, air humidity and pollutants are the most important corrosion components and corrosion factors. Salt mist is a major corrosive component in the atmosphere and is destructive. Mainly refers to the atmosphere of chloride, which comes from some heavy saline land in the ocean or inland. Its main component is sodium chloride.
The corrosion of the salt spray in the salt spray test machine on the surface of the metal material is mainly due to the chloride ion contained in the salt spray penetrates the oxide layer on the metal surface and then electrochemically reacts with the protective layer and the internal metal. This can test the acid or alkali resistance of its products.
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