A Cone 10 stoneware specifically formulated for slip casting. Speckstone fires to a grayish-white color in oxidation and a medium gray-brown in reduction.
For more resources regarding mixing casting slip, look at this pdf: https://www.lagunaclay.com/_files/ugd/e5330f_985bfb8c5c874987a45e90b391690587.pdf
Characteristics
Cone: 10
Firing Color: Oxidation: Gray/White - Reduction: Gray/Brown
Avg. Shrinkage 2±%: 12.0%
Avg. Water Absorption 1±%: 0.1%