Formula of the Base
Na2O 0.14 Al2O3
0.44 SiO2 3.38
K2O 0.14 P2O5 0.00
MgO 0.00 TiO2 0.00
CaO 0.72 Fe2O3 0.00
Alumina:Silica ratio is
1.00:7.62
Neutral:Acid ratio is
1.00:7.63
Alk:Neut:Acid ratio is 1.00:0.44:3.38
Expansion: 76.1 x 10e-7 per degree C
Gris/ Blanc Glacé
Custer feldspar 25
Nepheline syenite 25
Cornwall Stone 25
Whiting 10
Frit 3134 10
Silica 5
Bentonite 4
Ultrox 10
Gris/Blanc Glacé
Custer feldspar 25
Nepheline syenite 25
Cornwall Stone 25
Whiting 10
Frit 3134 10
Silica 5
Bentonite 4
Ultrox 12
Gris/Blanc Glacé
Custer feldspar 25
Nepheline syenite 25
Cornwall Stone 25
Whiting 10
Frit 3134 10
Bentonite 4
Ultrox 14
Blanc Glacé
Custer feldspar 25
Nepheline syenite 25
Cornwall Stone 25
Whiting 10
Frit 3134 10
Silica 5
Bentonite 4
Ultrox 16
Gris/Blanc Glacé
Custer feldspar 25
Nepheline syenite 25
Cornwall Stone 25
Whiting 10
Frit 3134 10
Silica 5
Bentonite 4
Ultrox 18