25SP

Same formula as the 25F, with some fine grog added. Recommended for medium pieces. Can be used for Raku firing.

Characteristics:
Cone: 02-2
Wet Color: Sandy white
Fire Color
                Oxidation: Off-White
Texture: Slightly Coarse
Average Shrinkage
              Oxidation Cone 02: 6,0%
                               Cone 2: 7,5%
Average Water Absorption
               Oxidation Cone 02: 12,0%
                                Cone 2: 10,0%
COE x  10-6: 5,23

*Protect from freezing.