Since there are many factors that affect metal corrosion, a single salt spray resistance cannot replace the resistance to other media, so the obtained test results cannot be used as a direct guide for the corrosion resistance of the tested material in all use environments. The performance in the test can not be used as a direct guide to the corrosion resistance of these materials in use. Nevertheless, it can still be used as a method to test the test material with or without anti-corrosion performance in the method specified in the standard.
The test methods of the salt spray test box are: neutral salt spray (NSS), acetate salt spray (AASS) and copper accelerated acetate salt spray (CASS) test. Different test methods evaluate the environmental corrosion of the salt spray test box Methods. These methods have a good explanation in the sample size, test period of special products and interpretation of results.
The salt spray test chamber is used to evaluate the corrosion resistance of metal materials and coatings. The test object can be permanent or temporary corrosion resistance
It may also not have water durability or temporary corrosion resistance. The neutral salt spray test is applicable to metals and their alloys, metal coatings, organic coatings, anodized films and conversion films; acetate Fog test and copper accelerated acetate spray test are suitable for decorative coatings of copper + nickel one chromium or nickel ten chromium, and also suitable for aluminum anodizing film
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