The ASTM B555-86 (2023) standard provides a method for the thickness measurement of electrodeposited metallic coatings by dropping test. This method is suitable for the thickness determination of zinc, cadmium, copper and tin coatings, but the accuracy is low and it is not as reliable as Miscellaneous standard methods such as B487, B499, B504 and B568. This method is suitable for approximate determination, but in cases where high-precision is required, a more accurate Measuring method should be selected.
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