Page 39 - 20250602 EEA QM Edition 6.0

Quality Requirements Edition 6.0 European Enamel Association

7.7.3 Quality requirements

Test method Requirement Remarks Frequency
4.3 thickness enamel coating 0.05 - 0.15 mm S4/AQL 6.5
4.8 release of toxic elements conform requirements national laws when taking into production a sig.diff.
enamel recipe and following
requirements of proper and safe
surveillance plan
4.19 colour difference even and smooth surface, evaluated equal to the Colour difference possibly measured with a In production 100%
appearance of an approved enamelled sample spectrometer and tolerances previously agreed
by interested partners
4.29 Aluminium quality pure Al > 99.5 % Al or Al-Mn (Mn < 1.7 %), when taking into production
Mg max. 0.010 %

4.42 adhesion EN ISO 13805 when taking into production a sig.diff.
enamel recipe, but at least 1 x a year

7.7.4 Remark

On top of the quality requirements mentioned here above, also the requirements as mentioned in 4.23 need to be met.

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