C/6 Clear ash glaze

Custer feldspar 18
Ash Berhens 38
Silica 33
EPK 9
Dolomite 2
Total 100
Bentonite 2

Na2O 0.03 Al2O3 0.28 SiO2 2.52
K2O 0.08 P2O5 0.06
MgO 0.07 TiO2 0.01
CaO 0.81 Fe2O3 0.02

Alumina:Silica ratio is 1.00:9.09
Neutral:Acid ratio is 1.00:9.39
Alk:Neut:Acid ratio is 1.00:0.28:2.60

Expansion: 73.2 x 10e-7 per degree C