737Production of ceramic floor and wall tiles

#### 737 Production of ceramic floor and wall tiles The production of ceramic floor and wall tiles is the physical and chemical transformation of raw clay and other raw materials, such as feldspar and quartz, into saleable ceramic floor and wall tiles that conform to ISO 13006:2012 (issued by the International Organization for Standardization), or an equivalent standard, as in force when the tiles are produced. > Note: ISO 13006:2012 is published at www.iso.org.