Nátěrové hmoty - Protikorozní ochrana ocelových konstrukcí ochrannými nátěrovými systémy - Část 4: Typy povrchů podkladů a jejich příprava (Norma k přímému použití jako ČSN).

The information about the standard:

Designation standards: ČSN EN ISO 12944-4
Classification mark: 038241
Catalog number: 504716
Publication date standards: 1.7.2018
The number of pages: 36
Approximate weight : 108 g (0.24 lbs)
Country: Czech technical standard
Kategória: Technické normy ČSN

Annotation of standard text ČSN EN ISO 12944-4 (038241):

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