The test standard summaries are for general guidance only. Though believed to be accurate at the time of writing, this may change over time. So this information should not be used as a substitute for referring to a complete test standard, at an appropriate revision level.
Note: the terms salt spray, salt mist and salt fog are all in wide spread use within corrosion test standards. In this context they can be considered to be equivalent and interchangeable terms.
VDA 621-421 (Constant Climate)
Vehicle Paint in Condensed Water Climates
This test standard is based upon test standard DIN 50 017. Please see elsewhere on this website for details of DIN 50 017.