WC-391- B-3 Brown Clay cone 5 mid range clay - 25 lbs bag

WC391 B-3 Brown Clay # 90 Red / Brown - Cone 5 Mid Range Clay by Laguna.  

A pliable clay with smooth grog and color from manganese and iron. Fires almost black when in oxidation. It is not recommended to fire this clay in reduction.

Do not fire past Cone 5.

Characteristics Cone: 5 Wet Color: Red/Brown Fire 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