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use USG Ultracal 30 Gypsum Cement
complex glaze that is a flowing blue where thick and breaks brown where thinner
Cone 8 Average Shrinkage 13
Great layered over or under other Potter's Choice glazes
Cone 6 Shrinkage 12
Artist White Slip Size:2 gallon box use USG Ultracal 30 GypsumC 06 04 An excellent bright white firing slip that works well with most commercial glazes and underglazes. Contains imported talc. Cone 04 Shrinkage: 5% Absorption 17% *Image of clay fired to cone 04 with a half dip of Standard LF2000 Clear Glaze* Tips for low fire casting slip Recommendations for glazing low fire casting slip
