909

Same recipe as 910 with epsom salts added to stabilize the moisture.

Characteristics:
Cone: 6
Wet Color: Light Grey
Fire Color
                Oxidation Cone 6: Grey/ White            
Texture: 
Average Shrinkage
                Oxidation Cone 6: 12,1% 
Average Water Absorption
                Oxidation Cone 6: 1,3%   
COE x 10-6 Cone 6: 6,88

* Protect from freezing.