ISO 9227:1990 PDF

Specifies 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 corrosion protection or temporary corrosion protection. It also describes the method employed to evaluate the corrosivity of the test cabinet environment. Specific details (dimensions of test specimens, exposure periods, interpretation of results) are not included. Describes test solutions, apparatus, test specimens, operating conditions, duration of tests, treatment of specimens after test, evaluation of results and test report.