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prEN ISO 21227-4

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)

Draft Public enquiry
Comment end date 2026-05-12
Export comments Read draft and comment

Project stage codes

1. Decision on WI Proposal
2. Projektas
3. Viešoji apklausa
From 2026-03-13 till 2026-05-12
4. Closure of enquiry
5. Submission to Formal Vote

Organisation

CEN Europos standartizacijos komitetas

ICS

87.040 - Paints and varnishes

ForeignTC'S

CEN/TC 139

Number of comments

0

Comment start date

2026-03-13

Scope

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.

Relations

Pakeis
LST EN ISO 21227-4:2008