Abstract

 Preview

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.


General information 

  • Status
     :  Published
    Publication date
     : 2016-05
  • Edition
     : 1
    Number of pages
     : 27
  • Technical Committee
     : ISO/TC 35/SC 9 General test methods for paints and varnishes
  • ICS
     :
    87.040 Paints and varnishes

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