Page 34 - 20250602 EEA QM Edition 6.0

Quality Requirements Edition 6.0 European Enamel Association

7.5. QUALITY REQUIREMENTS FOR PORCELAIN AND VITREOUS ENAMELLED STEEL HOLLOWARE

7.5.1 Application area

These requirements are applicable for enamelled steel holloware, which is suitable for electrical as well as for gas cooking and existing out of the following categories:
- frying-pans and pots
- saucepans
- lids
- kettles (coffee and teapots)

7.5.2 Test methods

Item Name Applicable standards
4.3 measurement of the thickness of the enamel coating EN ISO 2178, EN ISO 2360, EN ISO 1463
4.4 determination of the resistance to chemical corrosion by citric acid or
other acids at room temperature EN ISO 28706-1/9
4.5 determination of the resistance to chemical corrosion by boiling citric acids EN ISO 28706-2/11, EN ISO 28706-2/6
4.6 determination of the resistance to chemical corrosion by boiling water and/or water EN ISO 28706-2/14, EN ISO 28706-2/6
vapour
4.8 specification and determination of the release of toxic elements national laws
4.9 determination of the resistance to impact EN ISO 4532
4.10 determination of the adherence of the enamel to the substrate EN 10209 Annex C
4.11 determination of the resistance to thermal shock EN ISO 2747
4.19 determination of colour difference EN ISO 18314, EN ISO/CIE 11664
4.23 requirements, measurements and tests for cookware, ovenware and kettles for cookware EN 12983, for ovenware EN 13834
and for kettles in EN 13750
4.24 determination of the resistance of domestic utensils to mechanical dishwashing EN 12875-1
4.28 determination of the quality of steel for enamelling EN 10209 for cold rolled steel and see 4.28 recommendations for hot rolled
steels, HSLA steels and steel forgings for pressure applications

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