Nepheline syenite 60
Frit 3134 10
Whiting 10
Flint 20
Bentonite 4
Manganese dioxide 1
Nepheline syenite 60
Frit 3134 10
Whiting 10
Flint 20
Bentonite 4
Manganese dioxide 2
Nepheline syenite 60
Frit 3134 10
Whiting 10
Flint 20
Bentonite 4
Manganese dioxide 3
Nepheline syenite 60
Frit 3134 10
Whiting 10
Flint 20
Bentonite 4
Manganese dioxide 4
Nepheline syenite 60
Frit 3134 10
Whiting 10
Flint 20
Bentonite 4
Manganese dioxide 5