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Standard

NS-EN 12373-3:1998

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Abstract

This Part of this European Standard specifies a non-destructive method of determining the thickness of anodic oxidation coatings on aluminium and its alloys using a split-beam microscope. The method is applicable, in most industrial cases, to anodic oxidation coatings above 10 um, or above 5 um when the surface is smooth. The use of the method described is limited by the need for the two luminous lines desribed in clauce 3 to be visible and distinctly separated, i.e. not in the case of opaque or dark coloured coatings. NOTE: Problems can also arise as a result of the roughness of the surface.

Document information

  • Standard from SN
  • Published:
  • Withdrawn:
  • Edition: 1
  • Version: 1
  • Document type: NAT
  • ICS 25.220.20
  • ICS 77.120.10
  • National Committee SN/K 111

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