The salt spray test is widely used in the industrial sector. Salt spray testing (salt fog testing) effectively assesses the reliability of a product by simulating extreme environments, therefore confirming that an industrial coating will survive in its working environment. The salt spray test is used to check the corrosion resistance of coated samples, substrates, and components which may be prone to suffering from degradation because of salt corrosion.
The test is conducted in a closed salt spray chamber where the sample is subjected to extended exposure to a saline, or salted, spray. The length of exposure time is determined by the material, the coating, and the standard specified.
The salt spray test can be adapted to different levels of corrosion to simulate different environments. As a rule, the more resistant the coating is, the longer the period in testing without showing signs of corrosion. Our expert team are then able to evaluate the part for evidence of corrosion, enabling us to determine the resistance of the sample, ensuring its longevity and reliability.
The specification for salt spray testing is ASTM B117.
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