C/04 Quintessence Ash Glaze Base #11

Ash Berhens 46
Frit 3110 36
EPK 18

Na2O 0.17 Al2O3 0.24 SiO2 1.35
K2O 0.05 B2O3 0.02 P2O5 0.05
MgO 0.04 TiO2 0.01
CaO 0.75 Fe2O3 0.01

Alumina:Silica ratio is 1.00:5.69
Neutral:Acid ratio is 1.00:5.44
Alk:Neut:Acid ratio is 1.00:0.26:1.42

Expansion: 97.0 x 10e-7 per degree C
Oxides causing abnormal expansion: B2O3