Colemanite Glaze #8 Semi-gloss/Transparent

Colemanite 55
EPK 17
Silica 41
Total 100

Na2O 0.00 Al2O3 0.23 SiO2 3.02
K2O 0.00 B2O3 1.49 P2O5 0.00
MgO 0.00 TiO2 0.00
CaO 1.00 Fe2O3 0.00

Alumina:Silica ratio is 1.00:12.93
Neutral:Acid ratio is 1.00:1.76
Alk:Neut:Acid ratio is 1.00:1.72:3.03

Expansion: 53.3 x 10e-7 per degree C
Oxides causing abnormal expansion: B2O3