Neutral salt spray test according to DIN EN ISO 9227
Assessment of the susceptibility to corrosion of a metallic material, with or without corrosion protection, in relation to a neutral sodium chloride solution.
| sample preparation | As agreed |
| test chamber | Erichsen 606/1000 |
| test temperature | (35±2)°C |
| inspection solution | Neutral (5±0.5)% NaCl solution with a pH of 6.5–7.2. |
| test duration | As agreed |
| sample evaluation | As agreed, e.g.
|
Example applications for salt spray tests
Salt spray tests for surfaces
Salt spray tests are frequently used in the field of surfaces to test coatings. Such a test can be carried out, for example, to determine or compare the adhesion of a coating. To do this, samples are visually assessed at defined time periods and, for example, pitting corrosion or crevice corrosion is recorded and documented.
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Salt spray tests for technical safety
The safety of components depends to a large extent on their area of application. That is why test specimens are exposed to corrosive media in time-lapse tests to provoke corrosion attacks. In particular, metallic components that are exposed to the environment should be tested with salt spray tests as part of technical safety.
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You can find an overview of other methods in the field of environmental simulation in our encyclopedia – environmental simulation.
