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DIN Standards Committee Coatings and Coating Materials

Abstract

This document specifies methods and measured values for objective and quantitative evaluation of filiform attack on coated corrosion test samples. It takes into account the analogous evaluation of filiform corrosion in accordance with ISO 4628 10 in digital form.

Begin

2022-07-11

WI

00139774

Planned document number

DIN EN ISO 21227-4

Project number

00201172

Responsible national committee

NA 002-00-07-08 AK - Optical imaging  

Responsible european committee

CEN/TC 139 - Paints and varnishes  

Responsible international committee

ISO/TC 35/SC 9/WG 31 - Properties after application  

draft standard

Paints and varnishes - Evaluation of defects on coated surfaces using digital image processing - Part 4: Evaluation of filiform corrosion on coated corrosion test samples (ISO/DIS 21227-4:2026); German and English version prEN ISO 21227-4:2026
2026-04
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previous edition(s)

Paints and varnishes - Evaluation of defects on coated surfaces using optical imaging - Part 4: Evaluation of filiform corrosion (ISO 21227-4:2008); German version EN ISO 21227-4:2008
2008-06