620

Clay with 25%+ coarse grog, yet surprisingly plastic. For very large pieces.

Characteristics:
Cone: 6
Wet Color: Red-Brown
Fire Color
                Oxidation Cone 6: Deep Red-Brown w/Light Flecks
                Reduction
Texture: Very Coarse
Average Shrinkage
                Oxidation: 9,5%
                Reduction: 
Average Water Absorption 
                Oxidation: 1,2%  
                Reduction:  
COE x 10-6: 6,88

* Protect from freezing.