ISO 4536:1985

Metallic and non-organic coatings on metallic substrates — Saline droplets corrosion test (SD test)

Specifies the test solution, the apparatus and the procedure for a saline droplets corrosion test. Is suitable for detecting defests and discontinuities. It is also suitable for chemical or electrochemical conversion coatings. Is not suitable for testing coatings intended for the more severe types of service. The type and number of test specimens, the exposure periods to be used for a particular product and the interpretaiton of results are not specified.