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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

Feb 12, 2025

General information

60.60     Feb 12, 2025

ISO

ISO/TC 107

International Standard

25.220.50  

English   French  

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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WITHDRAWN
ISO 28721-2:2015

NOW

PUBLISHED
ISO 28721-2:2025
60.60 Standard published
Feb 12, 2025

National adoptions

SRPS EN ISO 28721-2:2025  
ISS

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)

60.60   Standard published

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