C/6 Clear ash glaze

Custer feldspar 48
Ash Berhens 20.5
Silica 19
EPK 8
Zinc oxide 2.5
Dolomite 2
Total 100
Bentonite 2

Na2O 0.08 Al2O3 0.43 SiO2 3.24
K2O 0.19 P2O5 0.04
MgO 0.07 TiO2 0.00
CaO 0.57 Fe2O3 0.01
ZnO 0.10

Alumina:Silica ratio is 1.00:7.50
Neutral:Acid ratio is 1.00:7.64
Alk:Neut:Acid ratio is 1.00:0.43:3.30

Expansion: 75.7 x 10e-7 per degree C