Terra Cotta C/04 #4

Redart 75
Kentucky OM #4 15
Frit 3134 10
Grog 12.5

Na2O 1.4% Al2O3 20.7% SiO2 62.3%
K2O 3.2% B2O3 2.2% P2O5 0.2%
MgO 1.2% TiO2 1.2%
CaO 2.1% Fe2O3 5.7%

Volatiles: Other 5.1%
Loss On Ignition: 4.9%

Note :Very plastic, maybe too much.