Cornwall Stone Sub (GSG919)

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Cornwall Stone Sub (GSG919)

CORNWALL STONE 55 lb. has characteristics between a kaolin and a feldspar. It is used to achieve a smaller concentration of alkali flux in a glaze. This results in less shrinkage, minimizing glaze defects. Combined with a flux it is itself a glaze.

This item is a blended substitute

Minimum order quantity is 1 lb. (CORNSub)

Warning WARNING: This product can expose you to chemicals including Silica, crystalline (airborne particles of respirable size), which are known to the State of California to cause cancer.  For more information go to