Two techniques are used to assess a material's resistance to corrosion, specifically for metals, coatings, and finishes: the immersion test and the salt spray test. Below is a summary of how the two differ from one another:
Type of Exposure:
Immersion Test: This test involves immersing the test specimen for a predetermined amount of time in a corrosive solution, usually water or an electrolyte solution.
In a controlled salt spray chamber, the test specimen is subjected to a continuous or intermittent spray...
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