ISO 4628-3:2016 PDF

Scope: This part of ISO 4628 specifies a method for assessing the degree of rusting of coatings by comparison with pictorial standards. The pictorial standards provided in this part of ISO 4628 show coated steel surfaces which have deteriorated to different degrees by a combination of rust broken through the coating and visible underrust. NOTE 1 The pictorial standards have been selected from the “European rust scale” published by the European Confederation of Paint, Printing Ink and Artists’ Colours Manufacturers’ Associations (CEPE), Brussels. The correlation between the ISO scale and the “European rustscale” is given in AnnexB, Table B.1. NOTE 2 The correlation between the ISO scale and the ratingsystem ofASTM D 610 is given in AnnexB,TableB.2. NOTE 3 The rust formation on uncoated steel surfaces is designated in accordance with ISO 8501-1 (rust grades A, B, C, and D). of changes in appearance of coatings and outlines the general principles of the system. 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.

ISO 4628-3:2016 Referenced Document

ASTM D610-08 Standard Practice for Evaluating Degree of Rusting on Painted Steel Surfaces*， 2024-04-20 Update
ISO 13076:2012 Paints and varnishes - Lighting and procedure for visual assessments of coatings
ISO 4628-1:2016 Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 1: General introduction and designation system*， 2016-01-01 Update
ISO 8501-1:2007 Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness - Part 1: Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previou

2016 ISO 4628-3:2016 Paints and varnishes - Evaluation of degradation of coatings - Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 3: Assessment of degree of rusting
2003 ISO 4628-3:2003 Paints and varnishes - Evaluation of degradation of coatings; Designation of quantity and size of defects, and of intensity of uniform changes in appearance - Part 3: Assessment of degree of rusting
1982 ISO 4628-3:1982 Paints and varnishes; Evaluation of degradation of paint coatings; Designation of intensity, quantity and size of common types of defect; Part 3 : Designation of degree of rusting