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Fusion Frit F644

High-sodium boron-free frit

Alternate Names: Frit F644

OxideAnalysisFormula
Na2O29.43%1.000
Al2O35.94%0.123
SiO264.63%2.265
Oxide Weight210.67
Formula Weight210.67
If this formula is not unified correctly please contact us.

Used in crystalline glazes. Very high thermal expansion.

This material is highlighted in the video: A Broken Glaze Meets Insight-Live and a Magic Material (link is provided on this page).
This frit has an incredibly high Na2O content coupled with very low Al2O3, that makes it potentially very useful in fixing glazes lacking sufficient clay content to suspend and harden them (substituting this enables lowering the feldspar and introducing clay to supply the lost Al2O3, for example). Ferro Frit 3110, commonly used in crystal glazes for its high KNaO, only has half as much as this! And for many applications Frit 3110 has unwanted B2O3.


Out Bound Links


By Tony Hansen

XML for Import into INSIGHT

<?xml version="1.0" encoding="UTF-8"?> <material name="Fusion Frit F644" descrip="High-sodium boron-free frit" searchkey="Frit F644" loi="0.00" casnumber="65997-18-4"> <oxides> <oxide symbol="Na2O" name="Sodium Oxide, Soda" status="" percent="29.430" tolerance=""/> <oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="5.940" tolerance=""/> <oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="64.630" tolerance=""/> </oxides> </material>


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