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ISO 1520:2006

Paints and varnishes — Cupping test

Nov 15, 2006

General information

90.20     Jan 15, 2026

ISO

ISO/TC 35/SC 9

International Standard

87.040  

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Published

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 1520:1999

NOW

PUBLISHED
ISO 1520:2006
90.20 Standard under periodical review
Jan 15, 2026

National adoptions

SRPS EN ISO 1520:2012  
ISS

Paints and varnishes - Cupping test (ISO 1520:2006)

60.60   Standard published

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