ISO 4628-3:2024
International Standard
Current Edition
·
Approved on
13 November 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 Files
English
22 Pages
Current Edition
63.15 OMR
ISO 4628-3:2024 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.
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