Page 35 - QRedition5.0 062021

Quality Requirements Edition 5.0 European Enamel Association

7.5.3 Quality requirements

Test method Requirement Remarks Frequency
4.3 thickness enamel coating interior max. 0.35 mm, exterior max. 0.45 mm exclusive decor S4/AQL 6.5
4.4 cold citric acid min. class A when taking into production a sig.diff.

enamel recipe, but at least 2 x a year
2
4.5 boiling citric acid interior max. 5 g/m per 2 1/2 hours on test sheets conform EN ISO 28764 when taking into production a sig.diff.
exterior max. 10 g/m per 2 1/2 hours enamel recipe, but at least 2 x a year
2
2
4.6 water boiling water interior max.2,5 g/m per 24 hours on test sheets conform EN ISO 28764 when taking into production a sig.diff.
test duration 48 hours enamel recipe, but at least 2 x a year
2
water vapour interior max.5 g/m per 24 hours on test sheets conform EN ISO 28764
duration test 48 hours
4.8 release of toxic elements conform requirements national laws when taking into production a sig.diff.
enamel recipe
4.9 impact resistance at 20 N no damages > 2 mm diameter after 24 hours only bottom is to be tested weekly min. 3 pans/pots
4.10 adherence min. 3 weekly min. 3 pans/pots
4.11 thermal shock resistance min. 280 °C not applicable for lids when taking into production a sig.diff.

enamel recipe, but at least 1 x a month
4.28 steel quality in accordance with norm EN 10209 is recommended: determination during design

DC04EK / DC05EK / DC06EK

7.5.4 Remarks

Except from the quality requirements mentioned here above, also the requirements as mentioned in 4.23 need to be met. For the testing frequency at 4.9, 4.10 and 4.11 applies
that these tests can be carried out on the same three pans, taking into account that the tests are carried out in the sequence 4.11 - 4.9 - 4.10.

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