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ISO/TR 5503:2026

Preparation of steel substrates before application of paints and related products — Non-visible residues after surface preparation with single use abrasives — Relationship between conductivity (Bresle) measurements and surface soluble salt composition on panels blasted with single-use mineral abrasives

Publication date:   Sep 4, 2026

General information

60.60   Standard published   Sep 4, 2026

ISO

ISO/TC 35/SC 12 Preparation of steel substrates before application of paints and related products

Technical Report

25.220.10   Surface preparation

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Scope

This document evaluates the use of the Bresle test (as defined in ISO 8502-9) for assessing soluble salt contamination on steel surfaces prepared with single-use abrasive blasting media. It presents comparative data from field and laboratory measurements using different analytical methods to determine whether conductivity values obtained from the Bresle test can be correlated to chloride and other salt concentrations.

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PUBLISHED
ISO/TR 5503:2026
60.60 Standard published
Sep 4, 2026