700

Clay with an exceptionally low crystalline silica content. 

Characteristics:
Cone: 06-03
Wet Color: Dark Grey
Fire Color
                Oxidation: Off-White
Texture: Smooth
Average Shrinkage
                Oxidation Cone 06: 6,6%
                                 Cone 04: 7,5%
Average Water Absorption
                Oxidation Cone 06: 17,3%
                                 Cone 04: 13,8%   
COE x 10-6 Cone 06: 7,15

*Protect from freezing.