... , magnesium phosphate, calcium sulphide, and few water soluble matter. Its density is 2.5g/cm3.Bone black is a fine pure ... be not seeding after dispersed. Bone black is good light resistance, heat resistance, and chemical resistance. Bone black is also good hydrophile pigment ... be provide excellent performance in water-based coating and water-based ink.Bone black usually were used in wood stain, such ...