Terra Cotta C/04 #17

Redart 55
Kentucky OM #4 15
Talc 15
Silica 10
Custer feldspar 5
QIT Red Dust 1
Grog 5

Na2O 0.5% Al2O3 16.1% SiO2 67.3%
K2O 3.0% P2O5 0.1%
MgO 5.4% TiO2 0.9%
CaO 1.5% Fe2O3 5.1%
MnO 0.0%
ZnO 0.0%

Volatiles: CO2 0.0%
Other 5.3%
Loss On Ignition: 5.1%

Note : Plastic enough.