... Black 9, 77267, is a special black, init Bone BlackBone Black, also called Ivory Black, Animal Charcoal, ... calcium phosphate, 8% calcium carbonate, and little calcium sulphate, magnesium phosphate, calcium sulphide, and few water soluble matter. Its density is 2.5g/cm3.Bone ... good storage stability, be not seeding after dispersed. Bone black is good light resistance, heat resistance, and chemical ...