4. Basins. Basins. Washbasins. Bidets. WC

4.1 Materials and manufacturing

Plumbing fixtures are made from [C 940] ceramic, a mixture of clay, silica (calcined sand or sea pebbles), ground feldspar and water, which together form the slip. When feldspar is incorporated in sufficient quantities, it ensures excellent vitrification during firing. The white-fired product requires no slip, so it can be covered directly with a transparent or opaque glaze. The whole unit is then vitrified at between 1,200 and 1,300°C.

Ceramic is...