ChinaAutoRegs｜GB/T 10125-2012 英文版/English/翻译/人造气氛腐蚀试验 盐雾试验
Corrosion Tests in Artificial Atmospheres —Salt Spray Tests

1 SCOPE

This Standard specifies the apparatus, the reagents and the procedure to be used in conducting the neutral salt spray (NSS), acetic acid salt spray (AASS) and copper-accelerated acetic acid salt spray (CASS) tests for assessment of the corrosion resistance of metallic materials, with or without permanent or temporary corrosion protection.
It also describes the method employed to evaluate the corrosivity of the test-cabinet environment.
It does not specify the dimensions of test specimens, the exposure period to be used for a particular product, or the interpretation of results. Such details are provided in the appropriate product specifications.
The salt spray tests are particularly useful for detecting discontinuities, such as pores and other defects in certain metallic, organic, anodic oxide and conversion coatings.
The neutral salt spray test applies to:
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The copper-accelerated acetic acid salt spray test is useful for testing decorative coatings of copper + nickel + chromium, or nickel + chromium. It has also been found suitable for testing anodic coatings on aluminum.
The salt spray methods are all suitable for checking that the comparative quality of a metallic material, with or without corrosion protection, is maintained. They are not intended to be used for comparative testing, to rank different materials relative to each other with respect to corrosion resistance.

2 NORMATIVE REFERENCES

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 1514:2004, Paints and varnishes — Standard panels for testing
ISO 2808: 2007, Paints and varnishes — Determination of film thickness
ISO 3574:1999, Cold-reduced carbon steel sheet of commercial and drawing qualities
ISO 8407: 2009, Corrosion of metals and alloys — Removal of corrosion products from corrosion test specimens
ISO 17872: 2007, Paints and varnishes — Guidelines for the introduction of scribe marks through coatings on metallic panels for corrosion testing

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