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ISO 21227-4:2008

Paints and varnishes — Evaluation of defects on coated surfaces using optical imaging — Part 4: Evaluation of filiform corrosion ISO 21227-4:2008

Publication date:   Mar 10, 2008

General information

90.92 Standard to be revised   Jul 1, 2022

ISO

ISO/TC 35/SC 9 General test methods for paints and varnishes

International Standard

87.040   Paints and varnishes

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Published

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Scope

ISO 21227-4:2008 describes a method for evaluating filiform corrosion by means of digital optical imaging. Only the evalution procedure is described. The filiform corrosion itself is produced in accordance with other standards.

Life cycle

NOW

PUBLISHED
ISO 21227-4:2008
90.92 Standard to be revised
Jul 1, 2022

REVISED BY

IN_DEVELOPMENT
ISO/AWI 21227-4