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ISO 28721-2:2015

Current Date published:

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

ISO 28721-2:2015 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.

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Related Information

Similar Standards

  • BS 1344-16:1998

    Methods of testing vitreous enamel finishes, Resistance to thermal shock of coatings on cooking utensils

  • BS 1344-21:1993

    Methods of testing vitreous enamel finishes, Determination of the resistance of vitreous enamelled articles to impact: pistol test

  • BS 1344-22:1994

    Methods of testing vitreous enamel finishes, Determination of resistance to thermal shock of coatings for fabricated sheet steel components such as burners and pan supports for cookers

  • BS 1344-7:1984

    Methods of testing vitreous enamel finishes, Determination of resistance to heat

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