A gray/white clay with large throwing properties. 60 mesh sand and 30 to 60 mesh grog allow for strength. Fires gray in reduction and light buff/white in oxidation. Also excellent for Raku.

Characteristics
Cone: 10
Wet Color: Gray
Firing Color: Oxidation: Buff/White - Reduction: Gray
Texture: Coarse
Penetrometer Target: 7
Avg. Shrinkage 2±%: 10.0%
Avg. Water Absorption 1±%: 2.7%
COE x 10-6: 4.31