Corrosion Testing Standards

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.

Nissan MES-M0007 Method A

Nissan Engineering Standard – Salt Spray Testing

NES M-0007 is used to measure the degree of rusting, blistering and adhesion when the specimen is exposed to corrosive conditions such as salt spray, drying and wetting (condensate humidity)

Method A of the standard requires salt spray testing in accordance with NES M-0140 whereby test specimens are placed in an enclosed chamber and exposed to a continuous indirect spray of neutral (pH 6.5 to 7.2) salt water solution, which falls-out on to the specimens at a rate of 1.0 to 2.0ml/80cm²/hour, in a chamber temperature of +35C. This climate is maintained under constant steady state conditions. The test duration is variable.

This test is also referred to as an NSS test.

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