This standard gives an outline of available methods for measuring the thickness of electroplated coatings on plastics. Although, this standard is primarily related to decorative coatings on plastics, the methods referred to here may be used for measurement of conventional coatings on plastics or other non-metallic substrates.
IS 8435-1977 history
1977IS 8435-1977 Method for measuring the thickness of plastic metal coatings