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immediate downloadReleased: 2018-01-31
BS EN ISO 12944-4:2017
Paints and varnishes. Corrosion protection of steel structures by protective paint systems Types of surface and surface preparation
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Standard number: | BS EN ISO 12944-4:2017 |
Pages: | 30 |
Released: | 2018-01-31 |
ISBN: | 978 0 580 93275 5 |
Status: | Standard |
DESCRIPTION
BS EN ISO 12944-4:2017
This standard BS EN ISO 12944-4:2017 Paints and varnishes. Corrosion protection of steel structures by protective paint systems is classified in these ICS categories:
- 87.020 Paint coating processes
- 25.220.10 Surface preparation
- 91.080.10 Metal structures
This document covers the following types of surfaces of steel structures consisting of carbon or low-alloy steel, and their preparation:
uncoated surfaces;
surfaces thermally sprayed with zinc, aluminium or their alloys;
hot-dip-galvanized surfaces;
zinc-electroplated surfaces;
sherardized surfaces;
surfaces painted with prefabrication primer;
other painted surfaces.
This document defines a number of surface preparation grades but does not specify any requirements for the condition of the substrate prior to surface preparation.
Highly polished surfaces and work-hardened surfaces are not covered by this document.