Bass #43 Quintessence

Frit 3110 21
EPK 10
Kaolin (Calc.) 9
Nepheline syenite 5
Custer feldspar 30
Whiting 25
Total 100

Na2O 0.19 Al2O3 0.36 SiO2 2.00
K2O 0.10 B2O3 0.02 P2O5 0.00
MgO 0.00 TiO2 0.00
CaO 0.70 Fe2O3 0.00

Alumina:Silica ratio is 1.00:5.58
Neutral:Acid ratio is 1.00:5.31
Alk:Neut:Acid ratio is 1.00:0.38:2.01

Expansion: 92.5 x 10e-7 per degree C
Oxides causing abnormal expansion: B2O3