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Hommel Frit 440

Sodium borate zirconium frit (1% lead)

OxideAnalysisFormula
CaO1.71%0.189
MgO0.09%0.014
K2O0.65%0.043
Na2O7.23%0.724
PbO1.06%0.030
Al2O36.72%0.409
B2O315.87%1.416
SiO255.69%5.756
ZrO210.93%0.551
Oxide Weight620.90
Formula Weight620.90
If this formula is not unified correctly please contact us.
COLE - Co-efficient of Linear Expansion 6.5 x 10-6
GSPT - Frit Softening Point 1580F

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By Tony Hansen

XML for Import into INSIGHT

<?xml version="1.0" encoding="UTF-8"?> <material name="Hommel Frit 440" descrip="Sodium borate zirconium frit (1% lead)" searchkey="" loi="0.00" casnumber="65997-18-4"> <oxides> <oxide symbol="CaO" name="Calcium Oxide, Calcia" status="" percent="1.710" tolerance=""/> <oxide symbol="MgO" name="Magnesium Oxide, Magnesia" status="" percent="0.090" tolerance=""/> <oxide symbol="K2O" name="Potassium Oxide" status="" percent="0.650" tolerance=""/> <oxide symbol="Na2O" name="Sodium Oxide, Soda" status="" percent="7.230" tolerance=""/> <oxide symbol="PbO" name="Lead Oxide" status="" percent="1.060" tolerance=""/> <oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="6.720" tolerance=""/> <oxide symbol="B2O3" name="Boric Oxide" status="" percent="15.870" tolerance=""/> <oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="55.690" tolerance=""/> <oxide symbol="ZrO2" name="Zirconium Dioxide" status="" percent="10.930" tolerance=""/> </oxides> </material>


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