Otherwise, the test specimens shall consist of steel meeting the requirements of Practice D609 and shall be cleaned and prepared for coating in accordance with the applicable procedure of Practice D609.Ħ.3 Specimens coated with paints or nonmetallic coatings shall not be cleaned or handled excessively prior to test.Ħ.4 Whenever it is desired to determine the development of corrosion from an abraded area in the paint or organic coating, a scratch or scribed line shall be made through the coating with a sharp instrument so as to expose the underlying metal before testing.
or as agreed upon between the purchaser and the supplier. Care shall he taken that specimens are not recontaminated after cleaning by excessive or careless handling.Ħ.2 Specimens for the evaluation ol paints and other organic coatings shall be prepared in accordance with applicable specification(s) for the material(s) being exposed. The cleaning method shall be optional depending on the nature of the surface and the contaminants. In addition, it may cause issues with stabilizing pH measurements.ĥ.1 The type and number of test specimens to be used, as well as the criteria for the evaluation of the test results, shall be defined in the specifications covering the material or product being exposed or shall he mutually agreed upon between the purchaser and the seller.Ħ.1 Specimens shall be suitably cleaned.
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