Terra Cotta ash C/04 #8b

Redart 40
Kentucky OM #4 14
Bentonite 2
Custer feldspar 9
Silica 23
Ash Berhens 10
Local Red Ocre 2

Na2O 0.6% Al2O3 13.8% SiO2 69.4%
K2O 3.2% P2O5 1.0%
MgO 1.0% TiO2 0.7%
CaO 5.0% Fe2O3 5.3%

Volatiles: Other 3.8%
Loss On Ignition: 3.7%

Note : Very plastic 11.8/12.
Bentonite could be reduced.