Terra Cotta C/04 #47

Redart 58
Kentucky OM #4 15
Silica 19
Kona F-4 8
Grog 5

Na2O 0.9% Al2O3 17.2% SiO2 72.1%
K2O 3.0% P2O5 0.1%
MgO 1.0% TiO2 0.9%
CaO 0.3% Fe2O3 4.5%

Volatiles: Other 4.7%
Loss On Ignition: 4.5%

Note : Perfect plasticity.