Page 41 - 20250602 EEA QM Edition 6.0

Quality Requirements Edition 6.0 European Enamel Association

7.8.3 Quality requirements

Test method Requirement Remarks Frequency
4.2 material thickness min. material thickness: determination during design
washing machines: drums 0,9 mm and centrifugal drum:
0,8 mm
cover plates and outer cladding: 0,7 mm
wash boiler: Ø < 460 mm 1,0 mm, Ø > 460 mm 1,25 mm
dish-washers: rinsing area 0,9 mm
outer cladding: 0,7 mm
dryer: 0,7 mm
4.3 thickness enamel coating max. 0.40 mm S4/AQL 6.5
4.4 cold citric acid cover-tops and outside panels of washing machines, when taking into production a sig.diff.
dish-washers and dryers: min. class A enamel recipe, but at least 1 x a year

2
4.6 boiling water and water water: weight lost max. 5 g/m /24h (mean value) test duration 48 hours when taking into production a sig.diff.
vapour enamel recipe, but at least 1 x a year
water vapour: weight lost max. 10 g/m /24h (mean value) test duration 48 hours
2
is not applicable for outside panels,
dish-washers, dryers and washing
machines
4.7 detergent solution weight loss: max. 20 g/m per 2.5 hours; test duration 2.5 hours when taking into production a sig.diff.
2
enamel recipe, but at least 1 x 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 1 x a year
4.10 adherence min. 3 on test sheets conform to in production 1 x a day
EN ISO 28764
4.11 thermal shock resistance washing kettles: 240 °C on test sheets conform to EN ISO 28764 when taking into production a sig.diff.
enamel recipe, but at least 1 x a year
4.19 colour difference even and smooth surface, evaluated equal to the appearance Colour difference possibly measured with In production 100%
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
DC03ED / DC06ED / DC04EK

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