BONE ASH 45 µ Powder : Ca₃(PO₄)₂

Used in making fine china porcelain.

Ca₃(PO₄)₂ It has a chemical formula. Bone Chine is the raw material found in bone porcelain, which we know as porcelain. It is also used in some glaze recipes. At least 37% bone ash is used in Bone China porcelains. It gives light transmittance and strength to porcelain. Bone China porcelains were first produced in England at the end of the 18th century. It has attracted all the people of the world, including the noble families of Europe, with the pure appearance and soft texture of transparency and has earned a permanent place for itself as the highest quality porcelain variety.

Sold as 45 µ Powder .

Analysis:

Hydroxyapatite (Ca10(PO4)6(OH)2) 95.1 wt%

Beta Tri-Calcium Phosphate (Ca3(PO4)2) 1.4 wt%

Periclase (MgO) 1.2 wt%

Buchwaldite (NaCaPO4) 1.6 wt%

Nagelschmidtite (Ca5Na2(PO4)4) 0.7 wt%

Lime (CaO) Not detected

Fine China Porcelain Recipe

3-5% Bone Ash 45 µ Powder

10% Alumina

10% NZ Premium

30% OKA & AK Prime or BZ mixed to achieve colour/ plasticity/ casting rate

2-4% White firing ball clay

10% Sodium (Na) Feldspar

31-35% Quartz