Bone Ash (TriCalcium Phosphate) parent child GT64 Package - Needs a

GT64 Package - Needs a 15

darkening the color

Throwing Small

Directions for use - From the bottle label:

Freezing may thicken Wax Off

Bone Ash (TriCalcium Phosphate) parent child GT64 Package - Needs aBone Ash (TriCalcium Phosphate) is source of calcium and phosphate traditionally used in bone china for translucency and lowering the maturing temperature. The calcium acts as a flux, while the phosphorous acts as a glass former. When added to a clay body such as bone china, bone ash lowers the maturing temperature and adds translucency. Bone ash may also be used to give texture in low fire glazes. In low fire glazes, bone ash acts as an opacifier,