Historical
DIN EN 14411:2004
Ceramic tiles - Definitions, classification, characteristics and marking (ISO 13006:1998, modified) (FOREIGN STANDARD)
This European Standard defines and gives terms, requirements and marking criteria for ceramic tiles (produced by extrusion and dust pressing techniques) of the first commercial quality. Tiles not of first commercial quality are also covered following the provisions of annex Q. This European Standard does not cover tiles made by other than the normal commercial processes of extrusion or dry pressing (see 3.7).
Deutsches Institut für Normung [din]