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.
MAZDA MCT-3M (MES MN 601G)
Mazda MES MN 601G Test Method for Paint Film
Section 27 for this test standard discusses the 5 class requirements for corrosion testing
Class 1 – Salt Spray Test
Class 2 – Perforation Corrosion Resistance Test
Class 3 – Scratch Corrosion Resistance Test
Class 4 – Edge Corrosion Resistance Test
Class 5 – Filiform Corrosion Resistance Test
Class 3-4 are commonly referred to as MAZDA MCT-3M which requires a fully enclosed chamber to perform the following test steps:
- 1 hour Salt Spray @ 35°C in accordance with JIS Z 2371
- 6 hours Drying @ 60°C / 10-30%RH
- 1 Hour wetting @ 50°C / 95% RH
The test profile runs for 8 hours and 180 cycles
This test can be ran in an Ascott Cyclic Chamber fitted with accessories ACC42 & ACC47