Terra Cotta C/04 #11

Redart 60
Kentucky OM #4 20
Silica 10
Talc 10
Grog 10

Na2O 0.4% Al2O3 19.2% SiO2 66.8%
K2O 2.7% P2O5 0.1%
MgO 3.9% TiO2 1.1%
CaO 1.0% Fe2O3 4.8%
MnO 0.0%

Volatiles: Other 5.7%
Loss On Ignition: 5.4%

Note : Platic enough, 11.0/12.