415

405 with 15% coarse (20 mesh) grog for sculpting larger pieces.

Characteristics:
Cone: 06-04
Wet Color: Dark Grey
Fire Color
                Oxidation: Warm-White Flecked Lightly w/ Cream & Grey
Texture: Coarse
Average Shrinkage
                Oxidation Cone 06: 5,0%
                                 Cone 04: 5,6%
Average Water Absorption
                Oxidation Cone 06: 14,9%
                                  Cone 04: 11,3%  
COE x 10-6 Cone 06: 6,91

* Protect from freezing.