UNI EN ISO 21227-4 : 2008
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
17-07-2008
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
Provides a method for evaluating filiform corrosion by means of digital optical imaging.
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| 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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