![500g BONE ASH SUBSTITUTE](http://psh.ca/cdn/shop/products/MBAS2_2_{width}x.jpg?v=1584023309)
Dicalcium phosphate. A substitute for bone ash in glazes. It is a source of both calcium oxide, an important glaze flux, and phosphorous pentoxide, a glass-former like silica and boric oxide. To replace 100 g bone ash (10CaO.3P2O3.H2O) use 100 g Bone Ash.
For more information on dicalcium phosphate, see the Digitalfire.com Reference Library of ceramic materials.
For more information on bone ash, see the Digitalfire.com Reference Library of ceramic materials.