Colemanite Glaze #9 Matt/Transparent

Colemanite 50
EPK 10
Kaolin (Calc.) 9
Silica 31
Total 100

Na2O 0.00 Al2O3 0.29 SiO2 2.70
K2O 0.00 B2O3 1.49 P2O5 0.00
MgO 0.00 TiO2 0.00
CaO 0.99 Fe2O3 0.00

Alumina:Silica ratio is 1.00:9.42
Neutral:Acid ratio is 1.00:1.53
Alk:Neut:Acid ratio is 1.00:1.77:2.71

Expansion: 54.6 x 10e-7 per degree C
Oxides causing abnormal expansion: B2O3