Name: EN ISO 21227-4:2008
Brand: CEN

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

Publisher

Comite Europeen de Normalisation

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

Standards	Relationship
NF EN ISO 21227-4 : 2008	Identical
BS EN ISO 21227-4:2008	Identical
I.S. EN ISO 21227-4:2008	Identical
NEN EN ISO 21227-4 : 2008	Identical
ISO 21227-4:2008	Identical
UNE-EN ISO 21227-4:2008	Identical
SN EN ISO 21227-4:2008	Identical
NBN EN ISO 21227-4 : 2008	Identical
DIN EN ISO 21227-4:2008-06	Identical
PN EN ISO 21227-4 : 2009	Identical
UNI EN ISO 21227-4 : 2008	Identical
NS EN ISO 21227-4 : 1ED 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