White VO #1

Nepheline syenite 51
Colemanite 6
Dolomite 6
Talc 15
EPK 4
Silica 18
Totql 100

Na2O 5.8% Al2O3 14.4% SiO2 62.4%
K2O 2.6% B2O3 3.2% P2O5 0.0%
MgO 6.2% TiO2 0.0%
CaO 5.2% Fe2O3 0.1%

Volatiles:
H2O 1.4%
CO2 3.0%
Other 1.5%

Loss On Ignition: 5.6%

Expansion: 72.7 x 10e-7 per degree C
Oxides causing abnormal expansion: B2O3

Na2O 0.25 Al2O3 0.38 SiO2 2.83
K2O 0.08 B2O3 0.13 P2O5 0.00
MgO 0.42 TiO2 0.00
CaO 0.25 Fe2O3 0.00

Alumina:Silica ratio is 1.00:7.36
Neutral:Acid ratio is 1.00:5.55
Alk:Neut:Acid ratio is 1.00:0.51:2.83