Formula of the Base :
a2O 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
Vert Léger Glacé
Custer feldspar 25
Kona F-4 25
Whiting 20
EPK 10
Silica 20
Custer feldspar 25
Kona F-4 25
Whiting 20
EPK 10
Silica 20
Bentonite 1
Manganese dioxide 2
Vert Moyen Glacé
Custer feldspar 25
Kona F-4 25
Whiting 20
EPK 10
Silica 20
Bentonite 1
Manganese dioxide 3
Vert/Brun Glacé
Custer feldspar 25
Kona F-4 25
Whiting 20
EPK 10
Silica 20
Bentonite 1
Manganese dioxide 4
Vert/Brun Foncé Glacé
Custer feldspar 25
Kona F-4 25
Whiting 20
EPK 10
Silica 20
Bentonite 1
Manganese dioxide 5