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Homepage>BS Standards>25 MANUFACTURING ENGINEERING>25.220 Surface treatment and coating>25.220.10 Surface preparation>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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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

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.