ISO 28721-2:2015

Vitreous and porcelain enamels — Glass-lined apparatus for process plants — Part 2: Designation and specification of resistance to chemical attack and thermal shock

Publication date: Nov 30, 2015

General information

Current stage: 90.92 Effective date: May 4, 2023

Originator: ISO

Owner: ISO/TC 107

Type: International Standard

ICS: 25.220.50

Languages: English French

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Status: Published

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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

Revises
ISO 28721-2:2008

NOW

PUBLISHED
ISO 28721-2:2015
90.92 Standard to be revised
May 4, 2023

REVISED BY

IN_DEVELOPMENT
ISO/FDIS 28721-2

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