Jul 1, 2022 · 1.1 This practice describes the measurement of dry film thickness of coating films by microscopic observation of precision angular cuts in the coating film. Use of these procedures may require repair of the coating film.

This standard is issued under the fixed designation D4138; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last …

This standard is issued under the fixed designation D4138; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.

Jul 1, 2007 · Standard Practices for Measurement of Dry Film Thickness of Protective Coating Systems by Destructive, Cross-Sectioning Means. This practice describes the measurement of dry film thickness of coating films by microscopic observation of precision angular cuts in the coating film. Use of these procedures may require repair of the coating film.

1.1 This practice describes the measurement of dry film thickness of coating films by microscopic observation of precision angular cuts in the coating film. Use of these procedures may require repair of the coating film.

Jul 1, 2022 · ASTM-D4138 › Standard Practices for Measurement of Dry Film Thickness of Protective Coating Systems by Destructive, Cross-Sectioning Means

astm d4138-07a Standard Practices for Measurement of Dry Film Thickness of Protective Coating Systems by Destructive, Cross-Sectioning Means 1.1 This practice describes the measurement of dry film thickness of coating films by microscopic observation of …

Apr 24, 2024 · ASTM D4138 explains how to estimate the dry film thickness of coating films by looking at tiny, precisely angled slices in the film under a microscope. The coating film may need to be repaired if these treatments are used.

Aug 16, 2017 · 1.1 These test methods cover the measurement of dry film thickness of coating films by microscopical observation of precision angular cuts in the coating film. Use of these methods usually requires repair of the coating film. 1.2 Three test methods are provided for measuring dry film thickness of protective coating system: