Page 34 - QRedition5.0 062021

Quality Requirements Edition 5.0 European Enamel Association

7.5. QUALITY REQUIREMENTS FOR PORCELAIN AND VITREOUS ENAMELLED STEEL HOLLOW WARE

7.5.1 Application area

This norm is applicable for enamelled steel hollow ware, which is suitable for electrical as well as for gas cooking and existing out of the following categories:
- frying-pan and pots
- saucepans
- lids
- kettles (coffee- and teapots)

7.5.2 Test methods

Item Name Comparable 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 vapour EN ISO 28706-2/14, EN ISO 28706-2/6
4.8 specification and determination of the release of toxic elements national laws
4.9 determination of the resistance to impact 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 ISO 2747
4.23 requirements, measurements and tests for cookware, ovenware (& 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 EN 10025 or EN 10111 for hot rolled steel
or EN 10149 for HSLA steels
and EN 10222-1 for steel forgings for pressure applications

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