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Melt fluidity comparison - 1750F

Fired at 350F/hr to 1750F and held for 15 minutes. Frit 3110 has taken off. And F75, 3195 and 3134 (the latter two having big differences in surface tension).

Melt fluidity comparison - 1750F

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Materials Ferro Frit 3110
High sodium, high thermal expansion low boron frit. A super-feldspar in clay bodies. Melts a very low temperatures.
Materials Ferro Frit 3124
A commonly available calcium borosilicate frit.
Materials Ferro Frit 3249
A magnesia borosilicate frit. Very low thermal expansion and melting point. Invaluable in pottery to increase the MgO in glazes and thereby prevent crazing.
Materials Frit B325
Materials Frit LA-300
Materials Fusion Frit F-75
High sodium, high thermal expansion low boron frit. An equivalent of Ferro Frit 3110.
Materials Fusion Frit FZ-16
The champion in our frit melt-off competitition. This frit showcases the amazing fluxing power of boron and zinc working together. It is 15.5% ZnO.
Materials Fusion Frit F-38
High strontium low alumina borosilicate flux.
Materials Fusion Frit F-69
A magnesia borosilicate frit having very low thermal expansion and melting point. Commonly used as a substitute for Ferro frit 3249.
Materials Ferro Frit 3602
Materials Fusion Frit F-524
A low fire base glaze, add 10% kaolin, adjust thermal expansion using other frits.
Temperatures Comparison of frit melts at 1750F (954-)
Projects Comparing the Melt Fluidity of 16 Frits

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