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EN ISO 4628-3:2024

Paints and varnishes - Evaluation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 3: Assessment of degree of rusting (ISO/FDIS 4628-3:2024) EN ISO 4628-3:2024

Publication date:   Aug 31, 2023

General information

60.55 Ratification completed (DOR)   Nov 22, 2024

CEN

CEN/TC 139 Paints and varnishes

European Norm

87.040   Paints and varnishes

Buying

Draft

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Scope

This document specifies methods for assessing the degree of rusting of surfaces coated with paints and varnishes (organic coatings), and metallic coating plus an organic coating (duplex system), by comparison with pictorial standards.
The pictorial standards provided in this document show surfaces which have deteriorated to different degrees by a combination of rust broken through the coating and visible under-rusting.
The assessment of the degree of rusting in this document is only an estimation of the affected area on specimen. Edges are not included.

Life cycle

PREVIOUSLY

PUBLISHED
EN ISO 4628-3:2016

NOW

IN_DEVELOPMENT
EN ISO 4628-3:2024
60.55 Ratification completed (DOR)
Nov 22, 2024