Page 91 - 20250602 EEA QM Edition 6.0

Quality Requirements Edition 6.0 European Enamel Association

7.26. QUALITY REQUIREMENTS FOR PORCELAIN AND VITREOUS ENAMELLED AGRARIAN ARTICLES

7.26.1 Application area

These requirements are applicable for enamelled cattle water-troughs in cast iron.

7.26.2 Test methods

Item Name Applicable standards
4.2 measurement of the thickness of the base substrate metal EN ISO 16809
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 EN ISO 28706-1/9
or other acids at room temperature
4.8 specification and determination of the release of toxic elements national laws
4.9 determination of the resistance to impact EN ISO 4532
4.39 determination of the adherence of enamel to steel of more than 3 mm thickness EEA Specification 8.6.3

© EEA2025 page 91