SS-EN-ISO-19399 › Paints and varnishes - Wedge-cut method for determination of film thickness (scribe and drill method) (ISO 19399:2016)
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ISO 19399:2016 specifies a destructive method for determination of the dry film thickness, in which damage to the coat caused in a definite manner is evaluated microscopically. The method is suitable for almost all coat-substrate combinations and also allows determination of the single film thicknesses of coating systems. The method cannot be applied or can only be applied with restrictions in case of - too soft and/or elastic coatings (no recognizable scribe or drill hole can be observed), - hard (cannot be scribed/drilled) or too soft and/or elastic substrates, - too low visual contrast between the coating and substrate, and - film thicknesses that are larger than the depth of field of the measuring microscope.
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SS-EN ISO 19399:2017
Dec. 14, 2017
EN ISO 19399:2017(IDT); ISO 19399:2016(IDT)