A very fine grog makes for a more forgiving body with a slight texture and minimal speckling.
Characteristics:
Cone:5
Wet Color:Light Gray
Fire Color Oxidation:Off-White
Fire Color Reduction:Gray-White
Texture:Slightly Coarse
Penetrometer Target:6.75Avg.
Shrinkage 2±%11.0%
Avg. Water Absorption 1±%2.75%
COE x 10-6:5.72