Canton plate 8 inch

Bone china

Bone china is a type of porcelain body originally produced in Great Britain in which calcined ox bone, bone ash, is a major ingredient. It is differentiated by extremely high whiteness, translucency and strength. canton plate 8 inch may be an example of this procedure.

The initial use of bone ash in ceramics is attributed to Thomas Frye in seventeen-forty-eight in which he used it to make a kind of soft-paste porcelain. In As the 18th century drew to a close, Josiah Spode carried on with further developments, and duly popularized it, by combining it with china clay, kaolin and China stone to compete against the imported Oriental porcelain.

The original elementary formula of three and a half parts china clay, four parts china stone, and six parts bone ash still remains the standard English body.

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