Sandon rimmed soup bowl 8 inch

Bone china

Bone china is a type of porcelain body first produced in the United Kingdom in which calcined ox bone, bone ash, is a critical constituent. It is characterized by high whiteness, translucency and strength. sandon rimmed soup bowl 8 inch may be an example of this procedure.

The first use of bone ash in ceramics is associated with Thomas Frye in in the late 1740s in which he used it to introduce a kind of soft-paste porcelain. In As the eighteenth century drew to a close, Josiah Spode carried on with further developments, and subsequently popularized it, by mixing it with china clay, kaolin and China stone to compete with the imported Oriental porcelain.

The initial basic recipe of four parts china stone, three and a half parts china clay, and six parts bone ash remains the standard English body.

Bone china production customarily makes use of a two stage firing process where the initial "biscuit" is fired without a glaze at 1280