Carnation plate 9 inch

Bone china

Bone china is a kind of porcelain body first produced in Great Britain in which calcined ox bone, bone ash, is a critical constituent. It is characterized by supreme whiteness, strength and translucency. carnation plate 9 inch may be an example of this procedure.

The initial use of bone ash in ceramics is credited to Thomas Frye in seventeen-forty-eight in which he used it to introduce a type of soft-paste porcelain. In As the 18th century drew to a close, Josiah Spode continued with further developments, and consequently made it popular, by combining it with China stone, kaolin and china clay 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 still remains the standard English body.

Bone china production customarily uses a two stage firing process where the first "biscuit" is fired without a glaze at 1280