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I.S. 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

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2008

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.


Dates of withdrawal of national standards are available from NSAI.

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

Specifies a method for evaluating filiform corrosion by means of digital optical imaging.

DocumentType
Standard
Pages
19
PublisherName
National Standards Authority of Ireland
Status
Current

Standards Relationship
ISO 21227-4:2008 Identical
EN ISO 21227-4:2008 Identical

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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