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BS EN ISO 8503-5 Preparation of steel substrates before application of paints and related products — Surface roughness characteristics of blast-cleaned steel substrates. Part 5: Replica tape method for the determination of the surface profile

Source:
ISO
Committee:
STI/21 - Paint systems and surface preparation for metallic substrates
Categories:
Surface preparation
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Scope

This document describes a field method for measuring the surface profile produced by any of the abrasive blast-cleaning procedures given in ISO 8504-2:2019 . The method uses replica tape and a suitable gauge for measuring the roughness of a surface before the application of paint or another protective coating.

The method is applicable within the range of profile heights cited for a given grade (or thickness) of replica tape. The commercial grades currently available permit measurement of average peak-to-valley profiles of 12 µm to 150 µm. The method is valid for surfaces that have been cleaned with abrasives.

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