Terra Cotta C/04 #25

Redart 60
Kentucky OM #4 15
Talc 15
Silica 5
Custer feldspar 5
Grog 5

Na2O 0.5% Al2O3 17.1% SiO2 66.4%
K2O 3.2% P2O5 0.1%
MgO 5.6% TiO2 0.9%
CaO 1.5% Fe2O3 4.7%
MnO 0.0%

Volatiles: Other 5.6%
Loss On Ignition: 5.3%

Note : Plastic enough.