... piece appearance 3.Widely used for bone china Product: Bone charcoal1. Description:Bone Charcoal, also called Bone Black, or Bone Char, which is a kind of ... and other inorganic salt. It is hardly soluble in water. Bone charcoal is carbonized in isolation of the air conditions, through ... . Application 1)It can be used as the material for bone china, such as art porcelain, art and craft china, art ...