Page 31 - 20250602 EEA QM Edition 6.0

Quality Requirements Edition 6.0 European Enamel Association

7.3.3 Quality requirements

Test method Requirement Remarks Frequency
4.2 material thickness min. 0.60 mm determination during design
4.3 thickness enamel coating max. thickness interior lining: S4/AQL 6.5
interior lining 0.30 mm thickness counts for one-layer-system
outside panels and vegetable tray 0.40 mm
outside panels and vegetable tray:
thickness counts for ground- and
cover layer
4.4 cold citric acid class A when taking into production a sig.diff.
enamel recipe, but at least 1x a year

4.9 impact resistance at 20 N no damage > 2 mm diameter after 24 hours when taking into production a sig.diff.
enamel recipe, but at least 1x a year
4.10 adherence min. 3 on test sheets conform to EN ISO 28764 in production 1 x a day

4.19 colour difference even and smooth surface, evaluated equal to the Colour difference possibly measured with In production 100%
appearance of an approved enamelled sample a spectrometer and tolerances previously
agreed by interested partners
4.28 steel quality in accordance with norm EN 10209 is recommended: determination during design
DC04EK / DC01EK

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