Reference number
ISO 1520:2006
© ISO 2024
International Standard
ISO 1520:2006
Paints and varnishes — Cupping test
Edition 3
2006-11
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Published (Edition 3, 2006)
This publication was last reviewed and confirmed in 2021. Therefore this version remains current.

ISO 1520:2006

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Format
CHF 42
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Abstract

ISO 1520:2006 specifies an empirical test procedure for assessing the resistance of a coating of paint, varnish or related product to cracking and/or detachment from a metal substrate when subjected to gradual deformation by indentation under standard conditions.

For a multi-coat system, each coat may be tested separately or the complete system may be tested.

The method may be carried out as follows:

  • either as a 'pass/fail' test, by testing to a specified depth of indentation to assess compliance with a particular requirement;
  • or by gradually increasing the depth of indentation to determine the minimum depth at which the coating cracks and/or becomes detached from the substrate.

General information

  • Status
     : Published
    Publication date
     : 2006-11
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 3
    Number of pages
     : 6
  • Technical Committee :
    ISO/TC 35/SC 9
    ICS :
    87.040 
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