Comparison between salt spray test chamber and natural corrosion

The salt spray test chamber is an environmental test that mainly uses artificially simulated salt spray environmental conditions created by the salt spray test equipment to assess the corrosion resistance of products or metal materials. It is divided into two categories, one is natural exposure test, and the other is artificial simulated salt spray environment test.

The artificial simulated salt spray environment test is to use a kind of test equipment with a certain volume of space-the salt spray test box, using a manual method in its volume space to create a salt spray environment to evaluate the product's salt spray corrosion resistance .

Compared with the natural environment, the salt concentration of the chloride in the salt spray environment can be several times or tens of times of the general natural environment salt spray content, which greatly improves the corrosion rate. The time is also greatly reduced. For example, if a product sample is tested in a naturally exposed environment, the corrosion may take several months or even the previous year. However, if the test is performed under artificially simulated salt spray environmental conditions, as long as 2 institutions or more than ten hours, a similar result.

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