Bone china

Bone china (English Bone China ) is a soft-paste porcelain with very high resistance to chipping. Very white and translucent, it is considered the best and the finest porcelain.

Bone China also Fine Bone China

Starting point for the development of bone china was the frit porcelain, called "soft paste". It replaced components of the frit by other admixtures, including bone ash. In addition to kaolin, feldspar and quartz sand bone china now contains an up to 50-percent bone ash, gives their high content of calcium oxide and calcium phosphate porcelain its particular transparency.

1748 reported Thomas Frye, artistic and technical director of the Bow porcelain factory ( East London, Stratford le Bow ), to a corresponding patent. Josiah Spode developed the method at its factory in Stoke -on-Trent 1789-1793 to Fine Bone China.

A special feature of the bone china is also the focal episode. Thus, the temperature during the bisque firing at 1280 ° C higher than in the subsequent glaze or smooth fire of 1080 ° C.

• China style