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Matthey Frit 3701F

General purpose alkaline frit

Alternate Names: FRIT 3701 F, Frit 3701, Frit 3701F

Oxide Weight372.20
Formula Weight372.20
If this formula is not unified correctly please contact us.
COLE - Co-efficient of Linear Expansion 89x10-7
GSPT - Frit Softening Point 950-1050C

Slightly soluble, this can be suppressed by addition of Blythe antycrystalising agent RM484 or by using Blythe frit 5009 which is more stable, but has a higher melting point.
Use this frit for introducing Na2O into glaze formulas, as a binding agent for polishig disks, as a base for under glaze for reactive floor tile glazes

Blythe supplies the molecular weight: 373
and this partial formula:
1.00 NA+K2O+LI2O
2.86 SiO2
1.99 B2O3

and this analysis:
Na2O / K2O / Li2O 16.6 %
SiO2 46%
B2O3 37.3%

We have thus extrapolated this approximate formula:
SiO2 46.0
B2O3 37.3
Na2O 10.0
K2O 3.3
Li2O 2.00

Out Bound Links

By Tony Hansen

XML for Import into INSIGHT

<?xml version="1.0" encoding="UTF-8"?> <material name="Matthey Frit 3701F" descrip="General purpose alkaline frit" searchkey="FRIT 3701 F, Frit 3701, Frit 3701F" loi="0.00" casnumber="65997-18-4"> <oxides> <oxide symbol="Li2O" name="Lithium Oxide, Lithia" status="" percent="2.100" tolerance=""/> <oxide symbol="K2O" name="Potassium Oxide" status="" percent="3.300" tolerance=""/> <oxide symbol="Na2O" name="Sodium Oxide, Soda" status="" percent="10.100" tolerance=""/> <oxide symbol="B2O3" name="Boric Oxide" status="" percent="37.800" tolerance=""/> <oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="46.600" tolerance=""/> </oxides> </material>

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