Bass #42 Quintessence

Frit 3134 21
EPK 10
Kaolin (Calc.) 9
Custer feldspar 35
Whiting 25
Total 100

Na2O 0.12 Al2O3 0.31 SiO2 1.70
K2O 0.09 B2O3 0.17 P2O5 0.00
MgO 0.00 TiO2 0.00
CaO 0.78 Fe2O3 0.00

Alumina:Silica ratio is 1.00:5.47
Neutral:Acid ratio is 1.00:3.57
Alk:Neut:Acid ratio is 1.00:0.48:1.70

Expansion: 89.1 x 10e-7 per degree C
Oxides causing abnormal expansion: B2O3