Dinnerware tag

Bone china

Bone china is a kind of porcelain body first produced in Great Britain in which calcined ox bone, bone ash, is an essential ingredient. It is distinguish by extremely high whiteness, strength and translucency. dinnerware tag may be an example of this process.

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

The original elemental recipe of three and a half parts china clay, six parts bone ash, and four parts china stone is still the standard English body.

Bone china production usually involves a two stage firing process where the initial "biscuit" is fired without a glaze at 1280