Kona F-4 60
Frit 3134 10
Whiting 10
Flint 20
Bentonite 4
Cobalt carbonate 0.5
Kona F-4 60
Frit 3134 10
Whiting 10
Flint 20
Bentonite 4
Cobalt carbonate 1
Kona F-4 60
Frit 3134 10
Whiting 10
Flint 20
Bentonite 4
Cobalt carbonate 1.5
Frit 3134 10
Whiting 10
Flint 20
Bentonite 4
Cobalt carbonate 2
Kona F-4 60
Frit 3134 10
Whiting 10
Flint 20
Bentonite 4
Cobalt carbonate 2.5