Patent ID: 6737166
Filing Date: 2004-05-18
Classification: C03C,C04B

Abstract:
Sanitary ware comprising a ceramic body and a glaze layer formed on the desired portions of the ceramic body, characterized in that:said body is a body comprising a crystal phase containing mullite and quartz as main components, a glass phase containing SiO2 and Al2O3 as the main components, and a crystal phase composed of minerals selected according to need from cristobalite, andalusite, sillimanite, kyanite, and corundum; the main components of the body are 50 to 65 wt % SiO2, 30 to 45 wt % AL2O3, 0.1 to 2 wt % alkali oxides, and 0.1 to 10 wt % divalent metal oxides; at least a CaO component is contained as the component of said divalent metal oxides; and CaO component segregation portions in which said CaO component is segregated are dispersed in said body.