Salt Spray Test of basin pop up waste

- May 03, 2018 -

Corrosion is the destruction or deterioration of a material or its properties caused by the action of the environment. Most of the corrosion occurs in the atmosphere. The atmosphere contains oxygen, humidity, temperature changes, and contaminants such as corrosion and corrosion factors. Salt spray corrosion is a common and most damaging atmospheric corrosion. The corrosion of the surface of basin pop up waste metal material by the salt spray is caused by the electrochemical reaction between the contained chloride ions penetrating the metal surface oxide layer and the protective layer and basin pop up waste internal metal. At the same time, the chloride ion contains a certain amount of hydration energy, which is easily adsorbed on the pores and cracks on basin pop up waste metal surface to displace and replace the oxygen in the oxide layer, turning the insoluble oxide into soluble chloride, and making the passive state surface into a lively surface.

The salt spray test is an environmental test that mainly uses the simulated salt spray environmental conditions created by the salt spray test equipment to assess the corrosion resistance of basin pop up waste. It is divided into two major categories, one for natural environmental exposure tests and the other for accelerated artificial salt spray environmental tests. Artificially simulated salt spray environmental test is to use a test equipment with a certain volume of space - salt spray test chamber, in its volumetric space with artificial methods, resulting in salt spray environment to assess the product's resistance to salt spray corrosion quality and quality. Compared with the natural environment, the salt concentration of the chloride in the salt spray environment can be several times or several times of that of the normal natural environment, which greatly increases the corrosion rate. The salt spray test is performed on the product and results are obtained. The time has also been greatly shortened. If basin pop up waste sample is tested under natural exposure conditions, corrosion may take up to 5 year. However, if the test is performed under artificial simulated salt spray conditions, similar results can be obtained as long as 24 hours.

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