1.1 This practice covers the basic principles and operating procedures for testing water resistance of coatings in an apparatus similar to that used for salt spray testing.
1.2 This practice is limited to the methods of obtaining, measuring, and controlling the conditions and procedures of water fog tests. It does not specify specimen preparation, specific test conditions, or evaluation of results.
Note 1: Alternative practices for testing the water resistance of coatings include Practices D870, D2247, and D4585.
1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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