Cone 4 #24 Satiné Semi-Opaque

Nepheline syenite 38
EPK 3
Frit 3134 13
Whiting 15
Silica 29
Magnesium carbonate 2
Total 100

Na2O 0.27 Al2O3 0.31 SiO2 3.06
K2O 0.06 B2O3 0.13 P2O5 0.00
MgO 0.07 TiO2 0.00
CaO 0.60 Fe2O3 0.00

Alumina:Silica ratio is 1.00:9.76
Neutral:Acid ratio is 1.00:6.92
Alk:Neut:Acid ratio is 1.00:0.44:3.07

Expansion: 77.9 x 10e-7 per degree C
Oxides causing abnormal expansion: B2O3