Under publication
ISO 4628-3
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
Reference number
ISO 4628-3
Edition 4
2024-11
Under publication
ISO 4628-3
83324
Under publication (Edition 4, 2024)
Final production steps (up to seven weeks).
Will replace ISO 4628-3:2016

Abstract

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.

General information

  •  : Under development
     : 2024-11
    : International Standard under publication [60.00]
  •  : 4
  • ISO/TC 35/SC 9
    87.040 
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