
A pliable clay with smooth grog. Great for sculpture (use a high gloss glaze when making dinnerware). Color comes from manganese and iron. Fires almost black when in oxidation. It is not recommended to fire this clay in reduction. Characteristics Cone: 5 Wet Color: Red/Brown Firing Color: Oxidation: Brown/Black - Reduction:Black Texture: Slightly Coarse Penetrometer Target: 6.75 Avg. Shrinkage 2±%: 10% Avg. Water Absorption 1±%: 3% COE x 10-6: 7.275