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FprEN ISO 28721-2

Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 2: Designation and specification of resistance to chemical attack and thermal shock (ISO/FDIS 28721-2:2024) FprEN ISO 28721-2

Publication date:   Oct 19, 2023

General information

50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks   Nov 7, 2024

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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Draft

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Scope

ISO 28721-2:2015 specifies requirements for the resistance to chemical attack and thermal shock of chemical enamels and their designation for ordering purposes.
It is applicable to enamelled apparatus, piping and other components primarily used for process equipment in chemical plants.
It only applies to unalloyed and low-alloy carbon steels suitable for enamelling.
NOTE The main criteria for assessing enamel quality are the resistance to chemical attack and thermal shock and the structure of the cover coat enamel.

Life cycle

PREVIOUSLY

PUBLISHED
EN ISO 28721-2:2015

NOW

IN_DEVELOPMENT
FprEN ISO 28721-2
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Nov 7, 2024