Porcelain Porcelain Porcelain is a translucent non-porous ceramic material.
Soft porcelain is fired at lower temperatures and is therefore cheaper to manufacture.
Kaolinite is a clay mineral which is present in kaolin. The latter material is washed, screened and thoroughly mixed with finely ground quartz and felspar, in conjunction with the addition of water. Soda and other additives are added. The plastic porcelain mixture is kneaded and molded or cast in plaster molds. The porcelain has then become hard and watertight, but dull.