C/04 Clear Glossy Ash Glaze Base #10

Ash Berhens 43
Frit 3134 35
Ball clay 22

Na2O 0.11 Al2O3 0.19 SiO2 1.14
K2O 0.03 B2O3 0.20 P2O5 0.05
MgO 0.04 TiO2 0.01
CaO 0.82 Fe2O3 0.01

Alumina:Silica ratio is 1.00:6.11
Neutral:Acid ratio is 1.00:3.13
Alk:Neut:Acid ratio is 1.00:0.39:1.21

Expansion: 90.9 x 10e-7 per degree C
Oxides causing abnormal expansion: B2O3