Bass #41 Quintessence

Frit 3110 21
EPK 10
Kaolin (Calc.) 9
Custer feldspar 35
Whiting 25
Total 100

Na2O 0.18 Al2O3 0.35 SiO2 2.04
K2O 0.11 B2O3 0.02 P2O5 0.00
MgO 0.00 TiO2 0.00
CaO 0.71 Fe2O3 0.00

Alumina:Silica ratio is 1.00:5.76
Neutral:Acid ratio is 1.00:5.47
Alk:Neut:Acid ratio is 1.00:0.37:2.04

Expansion: 91.8 x 10e-7 per degree C
Oxides causing abnormal expansion: B2O3