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Ferro Frit 3270

Borosilicate cone 06-04 frit for cobalt colors

OxideAnalysisFormula
CaO8.50%0.462
K2O5.40%0.175
Na2O7.40%0.364
Al2O38.30%0.248
B2O322.61%0.990
SiO247.79%2.423
Oxide Weight304.70
Formula Weight304.70
If this formula is not unified correctly please contact us.
COLE - Co-efficient of Linear Expansion 8.79
MLRG - Frit Melting Range (C) 1500-1600F

This is a USA pottery frit, Ferro now calls it Frit 3270-2.
It has higher boron, lower alkali and much higher CaO than Frit 3269. The alkali is still significant enough to drive the thermal expansion fairly high.


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By Tony Hansen

XML for Import into INSIGHT

<?xml version="1.0" encoding="UTF-8"?> <material name="Ferro Frit 3270" descrip="Borosilicate cone 06-04 frit for cobalt colors" searchkey="" loi="0.00" casnumber="65997-18-4"> <oxides> <oxide symbol="CaO" name="Calcium Oxide, Calcia" status="" percent="8.500" tolerance=""/> <oxide symbol="K2O" name="Potassium Oxide" status="" percent="5.400" tolerance=""/> <oxide symbol="Na2O" name="Sodium Oxide, Soda" status="" percent="7.400" tolerance=""/> <oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="8.300" tolerance=""/> <oxide symbol="B2O3" name="Boric Oxide" status="" percent="22.610" tolerance=""/> <oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="47.790" tolerance=""/> </oxides> </material>


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