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B568 Standard Test Method for Measurement of Coating Thickness by X-Ray Spectrometry

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Revision Date: January 02, 2014
Updated On: June 03, 2014
Editorial Change:
5.1 This is a sensitive, noncontact, and nondestructive method for measuring the coating thickness (and in some cases, coating composition) of metallic and some nonmetallic coatings over a range of thicknesses from as little as 0.01 µm to as much as 75 µm depending on the coating and substrate materials. It can be used to measure coating and base combinations that are not readily measured by other techniques.

5.2 The coating thickness is an important factor in the performance of a coating in service.

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