Page 89 - QRedition5.0 062021

Quality Requirements Edition 5.0 European Enamel Association

7.26.3 Quality requirements

Test method Requirement Remarks Frequency
4.2 material thickness min. 3.0 mm when taking into production
4.3 thickness enamel coating max. 0.80 mm S4/AQL 6.5
4.4 cold citric acid class A when taking into production a sig.diff.

enamel recipe, but at least 1 x a year
4.8 release of toxic elements conform requirements of the national laws when taking into production a sig.diff.
enamel recipe, but at least 1 x a year
4.9 impact resistance at 10 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
4.39 adherence min. ”good” on test sheets may be conform in production 1 x a day
to EN ISO 28764

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