Abstract Preview

ISO 19840:2012 specifies a procedure for the verification of dry-film thickness against nominal dry-film thickness on rough surfaces, including the adjustment of the instruments used, the definition of inspection areas, sampling plans, measurement methods and acceptance/rejection criteria.

The procedure is based on the use of instruments of the permanent magnet, electromagnet and eddy current type. Instrument accuracy is verified both at zero and at a known thickness on a smooth surface and adjusted if necessary.

It does not apply to nominal dry-film thicknesses less than 40 µm.


General information

  • Status :  Published
    Publication date : 2012-09
  • Edition : 2
    Number of pages : 16
  • :
    ISO/TC 35/SC 14
    Protective paint systems for steel structures
  • 87.020
    Paint coating processes

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