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On paper, Fusion frit F-75 has a very similar chemistry to Ferro frit 3110. However, as can be seen here, it is flowing a little more and appears to have a lower surface tension. The bubbling character is also a little different. The differences could be partly to Fusion using a different set of raw materials to source the chemistry. Or differences in their smelting process. This frit is commonly used in pottery to create crackle glazes or to help increase the thermal expansion of shivering glaze (both of these are cracking and crazing badly). Frit 3110 is also a major ingredient in crystalline glazes, the better clarity of the F-75 is going to help with that also. It is also used as a concentrated source of Na2O (instead of feldspar), also a task that this will certainly fulfill.
Materials |
Ferro Frit 3110
High sodium, high thermal expansion low boron frit. A super-feldspar in clay bodies. Melts a very low temperatures. |
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Materials |
Fusion Frit F-75
High sodium, high thermal expansion low boron frit. An equivalent of Ferro Frit 3110. |
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