Bone ash is a white material produced by the calcination of bones. Typical bone ash consists of about 55.82% calcium oxide, 42.39% phosphorus pentoxide, and 1.79% water. The exact composition of these compounds varies upon the type of bones being used, but generally the formula for bone ash is: Ca₅(OH)(PO₄)₃. Bone ash usually has a density around 3.10 g/mL and a melting point of 1670 °C (3038 °F). Most bones retain their cellular structure through calcination.

        Bone ash has many uses, such as in fertilizers, polishing compounds, or the production of bone china. In addition, bone ash can be used as a protective coating for metal equipment, tools, or around a floor as moulding. In this context, bone ash is well established as a sealant for seams or cracks. 

         The raw material for bone china is about 50% bone ash derived from animal bones. These bones undergo multiple processing stages during which all meat is removed and the bone is completely cleaned. Once cleaned, the bone is heated to about 1000 °C (1832 °F) so that all additional organic material is removed from the bone and the bone becomes sterilized. Lastly, the newly sterilized bone is ground with water into fine particles which can be used as a raw material for bone china. Bone ash plays an important role in the creation of bone china, as the phosphate of the bone generates beta tricalcium phosphate, and other compounds from the bone create a calcium crystal called anorthite. Synthetic alternatives dicalcium phosphate and tricalcium phosphate are used as substitutes for bone ash. Most bone china are produced with synthetic alternatives rather than bone ash.

       Luohe Feilong Bone Ash Co., Ltd.is a manufacturer of all kinds of bone products, including bone ash and bone ash for mold releasing use. We have our own factory and we have been supplying bone products for home and abroad markets  for 20 years.In the past 20 years, our home and abroad clients have been satisfied with our products and service. We have established a long-term and friendly business relationship with many home and abroad clients. You can learn more about our products and our company by our website. If you are interested in any of our product range, please feel free to contact us directly with your inquiries. 

       We will try our best to serve you at any time.

  Our bone ash  is currently in used by Metallurgical Industry and Ceramics Industry