C/6 Satin ash glaze

Custer feldspar 39
Ash Berhens 15
Zinc oxide 13
EPK 5
Silica 28
Total 100
Bentonite 2

Na2O 0.06 Al2O3 0.29 SiO2 2.86
K2O 0.13 P2O5 0.03
MgO 0.02 TiO2 0.00
CaO 0.35 Fe2O3 0.01
ZnO 0.44

Alumina:Silica ratio is 1.00:9.82
Neutral:Acid ratio is 1.00:9.95
Alk:Neut:Acid ratio is 1.00:0.29:2.90

Expansion: 72.2 x 10e-7 per degree C