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Bone Ash (TriCalcium Phosphate)

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Bone Ash (TriCalcium Phosphate)

Bone Ash (TriCalcium Phosphate)

Original price was: $25.95.Current price is: $20.76.

Bone Ash (TriCalcium Phosphate) is source of calcium and phosphate traditionally used in bone china for translucency and lowering the maturing temperature. The calcium acts...

  • Product Details
  • SKU

    KEW415457994822

  • Category

    Sculpture

  • Availability

    In stock

Bone 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, while in high-fire glazes it can create translucence. You may find that it is rarely used in glaze recipes; this may be because bone ash can have a tendency to cause the glaze matrix to thicken, or materials within it to flocculate, or clump together. If you mix a glaze containing bone ash, it is recommended that you use a little bit of deflocculant such as Darvan 7.

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