Page 82 - QRedition5.0 062021

Quality Requirements Edition 5.0 European Enamel Association

7.23.3 Quality requirements

Test method Requirement Remarks Frequency
3.9.5.3 cast iron quality EEA-specification 8.1 when taking into production
4.3 thickness enamel coating < 1.5 mm 1%
4.4 cold citric acid class AA when taking into production a sig.diff.

cold sulphuric acid class AA enamel recipe, but at least 1 x a year
2
4.5 boiling hydrochloric weight loss: max. 10 g/m per 24 hours test duration 48 hours when taking into production a sig.diff.

acid resistance enamel recipe, but at least 1x a year
2
4.6 boiling water weight loss: max. 10 g/m per 24 hours test duration 48 hours when taking into production a sig.diff.

enamel recipe, but at least 1 x a year
4.9 impact resistance at 20 N no damages when taking into production a sig.diff.

> 2 mm diameter after 24 hours enamel recipe, but at least 1 x a year

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