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RS ISO 8501-3: 2025
Preparation of steel substrates before application of paints and related products — Visual assessment of surface cleanliness— Part 3: Preparation grades of welds, edges and other areas with surface imperfections
Abstract

This document provides requirements to identify visible imperfections and defines three preparation grades
for welds, edges and surfaces of steel to assist in achieving efficient corrosion protection. Such imperfections
can be visible before or can become visible after an abrasive blast cleaning process.
NOTE Although this document has been developed specifically for preparation of steel, the defined preparation
grades will generally be appropriate for use when preparing other metal surfaces e.g. aluminium, castings, if agreed.

General Information

CodeClassificationThemePagesPublisherAvailability
RS ISO 8501-3: 2025ADOPTED ISO STANDARDSPaint and colour industries21Third Edition
Jul 2026		Available
Price: RWF 19,500


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