C/04 Quintessence Ash Glaze Base #4

Frit 3134 66
EPK 19
Ash Berhens 15

Na2O 0.23 Al2O3 0.18 SiO2 1.49
K2O 0.01 B2O3 0.45 P2O5 0.02
MgO 0.02 TiO2 0.00
CaO 0.74 Fe2O3 0.01

Alumina:Silica ratio is 1.00:8.25
Neutral:Acid ratio is 1.00:2.40
Alk:Neut:Acid ratio is 1.00:0.63:1.52

Expansion: 88.3 x 10e-7 per degree C
Oxides causing abnormal expansion: B2O3