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Standards [CURRENT]

DIN EN ISO 28706-4

Vitreous and porcelain enamels - Determination of resistance to chemical corrosion - Part 4: Determination of resistance to chemical corrosion by alkaline liquids using a cylindrical vessel (ISO 28706-4:2016); German version EN ISO 28706-4:2016
Edition 2016-07

Standards [CURRENT]

DIN EN ISO 28706-5

Vitreous and porcelain enamels - Determination of resistance to chemical corrosion - Part 5: Determination of resistance to chemical corrosion in closed systems (ISO 28706-5:2010); German version EN ISO 28706-5:2011
Edition 2011-09

Standards [CURRENT]

DIN EN ISO 28721-1

Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 1: Quality requirements for apparatus, components, appliances and accessories (ISO 28721-1:2019); German version EN ISO 28721-1:2019
Edition 2020-01

Standards [CURRENT]

DIN EN 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 28721-2:2025); German version EN ISO 28721-2:2025
Edition 2025-06

Standards [CURRENT]

DIN EN ISO 28721-3

Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 3: Thermal shock resistance (ISO 28721-3:2008); German version EN ISO 28721-3:2011
Edition 2011-06

Standards [CURRENT]

DIN EN ISO 28721-4

Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 4: Quality requirements for glass-lined flanged steel pipes and flanged steel fittings (ISO 28721-4:2015); German version EN ISO 28721-4:2015
Edition 2016-03

Standards [CURRENT]

DIN EN ISO 28721-5

Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 5: Presentation and characterisation of defects (ISO 28721-5:2016); German version EN ISO 28721-5:2016
Edition 2016-10

Standards [CURRENT]

DIN EN ISO 28722

Vitreous and porcelain enamels - Characteristics of enamel coatings applied to steel panels intended for architecture (ISO 28722:2008); German version EN ISO 28722:2011
Edition 2011-06

Standards [CURRENT]

DIN EN ISO 28723

Vitreous and porcelain enamels - Determination of the edge covering on enamelled steel plate to be used in heat exchangers (ISO 28723:2008); German version EN ISO 28723:2011
Edition 2011-06

Standards [CURRENT]

DIN EN ISO 28762

Vitreous and porcelain enamels - Enamel coatings applied to steel for writing surfaces - Specification (ISO 28762:2010); German version EN ISO 28762:2010
Edition 2011-02

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