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prEN ISO 29601

Paints and varnishes - Corrosion protection by protective paint systems - Assessment of porosity in a dry film (ISO/DIS 29601:2025) prEN ISO 29601

Publication date:   Mar 13, 2025

General information

40.20 DIS ballot initiated: 12 weeks   Mar 13, 2025

CEN

CEN/TC 139 Paints and varnishes

European Norm

87.020   Paint coating processes

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Scope

ISO 29601:2011 specifies procedures for detecting the presence of porosity in a protective paint system of any thickness on a steel or other metallic substrate. The procedures given are based on methods using two different types of test equipment, the choice of equipment depending on the dry film thickness. These procedures are only applicable to the testing of electrically non-conductive parts of a paint system.
The test methods specified are mainly intended for use with new coatings, but can also be used for coatings which have been in service for some time. In the latter case, it is important to bear in mind that the coating might have been penetrated by substances in contact with the coating during service.

Life cycle

PREVIOUSLY

PUBLISHED
EN ISO 29601:2011

NOW

IN_DEVELOPMENT
prEN ISO 29601
40.20 DIS ballot initiated: 12 weeks
Mar 13, 2025