Page 22 - 20250602 EEA QM Edition 6.0

Quality Requirements Edition 6.0 European Enamel Association

4.42 Determination of the adhesion of porcelain and vitreous enamels on 4.48 Determination of the resistance against corrosion and creeping
Aluminium under the action of an electrolyte (spalling test) after mechanical impact
The determination of the adhesion of porcelain and vitreous enamels on Aluminium See EEA specification 8.6.7
should be carried out using the methods as specified in EN ISO 13805.
4.49 Determination against climatic impact like weathering and UV-resistance
4.43 Quality requirements for regenerative, packed and enamelled heat See EEA specification 8.6.8
exchangers for air-gas and gas-gas heaters
This standard defines the minimum requirements and the functional characteristics
of the porcelain and vitreous enamel coating applied to profiled steel heat exchanger
panels in regenerative heat exchanges, before as well as after packing in the baskets.
See EN ISO 28763.

4.44 Determination of the fluidity behaviour, fusion flow test

Method as specified in EN ISO4534.

4.45 Determination of the coefficient of mean linear thermal expansion of glass
Method as specified in EN ISO 20274 and DIN ISO 7991.

4.46 Characteristics of the porcelain and vitreous enamel coatings applied to
steel for writing surfaces
This standard defines the requirements and the functional and aesthetic
characteristics of porcelain and vitreous enamel coatings applied to plane steel for
use as writing surfaces (whiteboards and chalkboards). EN ISO 28762.

4.47 Characteristics of the porcelain and vitreous enamel coatings applied to
steel panels intended for architecture

This European standard specifies the requirements for porcelain and vitreous enamel
coating applied to plane rolled steel for both exterior (exposed to weathering) and
interior parts of the buildings. It includes the functional and aesthetic characteristics
and resistance to graffiti of these coatings. EN ISO 28722.

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