Terra Cotta C/04 #31

Bell Dark ball clay 22
Kentucky OM #4 22
EPK 25
Silica 20
Cornish Stone 8
QIT Red Dust 3
Grog 5

Na2O 0.4% Al2O3 26.3% SiO2 67.2%
K2O 0.8% P2O5 0.1%
MgO 0.2% TiO2 0.9%
CaO 0.5% Fe2O3 3.6%
ZnO 0.1%

Volatiles: CO2 0.1%
Other 8.9%
Loss On Ignition: 8.2%

Note : Very plastic, 11.5/12.
Superb clay.