Dinnerware replacement

Bone china

Bone china is a type of porcelain body first developed in the UK in which calcined ox bone, bone ash, is an important ingredient. It is distinguish by supreme whiteness, strength and translucency. dinnerware replacement may be an example of this process.

The first use of bone ash in ceramics is credited to Thomas Frye in the mid eighteenth century in which he used it to make a kind of soft-paste porcelain. In In the late 18th century, Josiah Spode continued with further developments, and consequently made it popular, by mixing it with china clay, China stone and kaolin to compete against the imported Oriental porcelain.

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

Bone china production normally involves a 2 stage firing process where the initial "biscuit" is fired without a glaze at 1280