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EN ISO 28721-2:2025

Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 2: Designation and specification of resistance to chemical attack and thermal shock (ISO 28721-2:2025) EN ISO 28721-2:2025

Publication date:   Apr 14, 2025

General information

60.60   Standard published   Feb 19, 2025

CEN

CEN/TC 262 Metallic and other inorganic coatings, including for corrosion protection and corrosion testing of metals and alloys

European Norm

25.220.50   Enamels

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Published

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Scope

This document specifies requirements for the resistance of chemical enamels to chemical attack and thermal shock, as well as their designation, for ordering purposes.
It is applicable to enamels used in glass-lined apparatus, piping and other components, primarily used in process equipment in chemical plants, which are applied on to low-alloy carbon steels substrates.
NOTE            The main criteria for assessing enamel quality are its resistance to chemical attack and thermal shock, and the structure of the cover coat enamel.

Life cycle

PREVIOUSLY

WITHDRAWN
EN ISO 28721-2:2015

NOW

PUBLISHED
EN ISO 28721-2:2025
60.60 Standard published
Feb 19, 2025




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