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Salt spray test

 

During this test, metal objects are exposed to salt spray in an artificial environment, which causes them to corrode more quickly. This allows us to determine the influence of weather conditions on the corrosion behaviour of a product.

 

Can be applied to:

metals, coatings with or without scratches

 

Test method standards:

ISO 9227, ASTM B117, DIN 50 021, ASTM B 117

 

Test procedures:

Samples of various sizes and weights, with a maximum total of 20 kg, are placed in a salt spray cabinet. Cutting edges are coated, after which the samples are placed in the test cabinet for a predetermined period of time (between 1 and 10,000 hours). During testing, the evolution of the corrosion is checked at regular intervals. At the end of the test, a report with accompanying photos of the corrosion behaviour is made. The test can be done on both coated and uncoated, undamaged and scratched material.

 

1. Standard salt spray test
The salt spray test is a standardised corrosion test method for materials and coatings. We spray a neutral salt solution in order to evaluate the suitability of the coating. The test duration depends on the corrosion resistance of the coating; generally, the more corrosion resistant the coating is, the longer the period of testing before the appearance of corrosion/rust of the substrate. 

2. Cyclic salt spray test

In cyclic corrosion tests, temperature, relative humidity and salt spray periods can be combined, for example SAE J2334 (automotive industry) in which 60-80 cycles are run.

Some standards combine a QUV test, salt spray test and climate test (-20°C) such as ISO 12944-9 (offshore application) in which 4200 hours (25 cycles) are completed.

Lead time:

Contact us to check the availability 

All tests – composites – metals – plastics – coatings – adhesives – 3D prints

 

 

About Sirris Testlabs

Since 1949, Sirris has been helping companies in Belgium to innovate. With our high-tech testing labs and our skilled material experts we want to support the Belgian manufacturing industry in testing and improving its products.

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