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EVS-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 4628-3:2024)

General information

Valid from 16.12.2024
Base Documents
ISO 4628-3:2024; EN ISO 4628-3:2024
ICS Groups
87.040 Paints and varnishes
Directives or regulations
None

Standard history

Status
Date
Type
Name
16.12.2024
Main
EVS-EN ISO 4628-3:2024
02.03.2016
Main
EVS-EN ISO 4628-3:2016

ISO 4628-3 specifies methods for assessing the degree of rusting on surfaces coated with paints and varnishes (organic coatings). It also applies to surfaces with a metallic coating plus an organic coating (duplex system), using comparisons with pictorial standards.

The pictorial standards provided in ISO 4628-3 show surfaces which have deteriorated to different degrees by a combination of rust broken through the coating and visible under-rusting. This system is intended to be used, in particular, for defects caused by ageing and weathering, and for uniform changes such as colour changes, for example yellowing The assessment of the degree of rusting in ISO 4628-3 is only an estimation of the affected area on specimen. Edges are not included.

ISO 4628-3:2024 text has been approved in Europe as EN ISO 4628-3:2024 without any changes.

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Standards designation

EVS Estonian standard
EN European standard (published by an CEN or CENELEC)
EN ISO International standard adopted as an European standard
ISO International Organization for Standardization’s standard
IEC International Electrotechnical Commission’s standard
HD CENELEC’s harmonisation document
   
EVS-EN European standard implemented in Estonia
EVS-EN ISO International standard adopted in Europe and implemented in Estonia
EVS-EN ISO/IEC International standard/International electrotechnical standard adopted in Europe and implemented in Estonia
EVS-IEC International electrotechnical standard implemented in Estonia
EVS-ISO International standard implemented in Estonia
   
A, AMD amedment
+A a full standard plus the amendment
/A only amendment
COR, AC corrigendum
+COR a full standard plus the corrigendum
NA national annex
+NA a full standard plus the national annex
/NA only national annex
TS technical specification
TR technical report
CWA agreement, developed by a CEN or CENELEC
prEVS-EN (etc) draft standard
   
et the standard is in Estonian only
en the standard is in English only
et-en the standard is in Parallel text Estonian-English