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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Draft standard

PR NF A91-320-2 ; PR NF 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.

Title (German)

Emails und Emaillierungen - Emaillierte Apparate für verfahrenstechnische Anlagen - Teil 2 : Bezeichnung und Festlegung der chemischen und Temperaturschockbeständigkeit.

Original language English , French

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

PR NF A91-320-2 ; PR NF 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.

Want to learn more?

PR NF A91-320-2 ; PR NF 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.