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EN ISO 21227-4:2008

Current

Current

The latest, up-to-date edition.

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

Published date

15-03-2008

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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Requirements
6 Calibration
7 Procedure
8 Image evaluation
9 Precision
10 Test report
Annex A (informative) - Extended evaluation
Bibliography

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.

Committee
CEN/TC 139
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

ISO 4623-2:2016 Paints and varnishes Determination of resistance to filiform corrosion Part 2: Aluminium substrates
ISO 21227-1:2003 Paints and varnishes — Evaluation of defects on coated surfaces using optical imaging — Part 1: General guidance
ISO 4623-1:2000 Paints and varnishes Determination of resistance to filiform corrosion Part 1: Steel substrates
ISO 4628-10:2016 Paints and varnishes — Evaluation of degradation of coatings — Designation of quantity and size of defects, and of intensity of uniform changes in appearance — Part 10: Assessment of degree of filiform corrosion
EN 3665:1997 Aerospace series - Test methods for paints and varnishes - Filiform corrosion resistance test on aluminium alloys

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