C/04 Quintessence Textured Glossy Ash Glaze Base #1

Frit 3134 26.5
Frit 3110 26.5
Custer spar 3
Ball clay 26
Ash Berhens 14
Gerstley borate 4

Na2O 0.29 Al2O3 0.25 SiO2 2.14
K2O 0.04 B2O3 0.29 P2O5 0.02
MgO 0.03 TiO2 0.01
CaO 0.64 Fe2O3 0.01

Alumina:Silica ratio is 1.00:8.50
Neutral:Acid ratio is 1.00:4.07
Alk:Neut:Acid ratio is 1.00:0.54:2.19

Expansion: 87.7 x 10e-7 per degree C
Oxides causing abnormal expansion: B2O3