The latest salt spray test chamber GBT10125-2012 standard artificial atmosphere corrosion test salt spray test
1 Scope
This standard specifies equipment, reagents and methods used in neutral salt spray (NSS), acetate spray (AASS) and copper accelerated acetate spray (CASS) tests.
This standard is applicable to the evaluation of the corrosion resistance of metal materials and coatings. The tested objects may have permanent or temporary properties, or they may not have permanent or temporary corrosion resistance.
This standard also specifies methods for assessing the environmental corrosivity of salt spray test chambers.
This standard does not specify the sample size, the test cycle of the special product and the interpretation of the results, which are referred to the corresponding product specifications.
This test is applicable to the detection of discontinuities such as porosity and other defects in metals and their aluminum alloys, metal coatings, organic coatings, anodized films and conversion coatings.
The neutral salt spray test applies to:
-----metal and its aluminum alloy;
-----metal coating (anodizing or cathodic);
-----Conversion film;
----- anodized film;
-----Organic coating on the metal substrate.
The acetate spray test is applicable to copper + nickel + chromium or nickel + chromium decorative coatings, as well as to anodized aluminum coatings.
The copper accelerated acetate spray test is applicable to copper + nickel + chromium or nickel + chromium decorative coatings, as well as to aluminum anodized films.
Salt spray test chamber This test is applicable to the performance comparison of metal materials with or without corrosion protection, and is not suitable for the ordering of corrosion resistance of different materials.
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