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Pemco Frit Pb-461

Very low expansion lead-borosilicate

Alternate Names: Frit Pb461

OxideAnalysisFormula
PbO43.20%1.000
B2O321.90%1.626
SiO234.90%3.000
Oxide Weight516.67
Formula Weight516.67
If this formula is not unified correctly please contact us.
COLE - Co-efficient of Linear Expansion 5.20
GSPT - Frit Softening Point 1480F
MLRG - Frit Melting Range (C) 1460-1500F
IFP - I.F.P. (celsius) 525C

Added to glazes to prevent crazing, also used in low fire cone 012-06 glazes.


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By Tony Hansen

XML for Import into INSIGHT

<?xml version="1.0" encoding="UTF-8"?> <material name="Pemco Frit Pb-461" descrip="Very low expansion lead-borosilicate" searchkey="Frit Pb461" loi="0.00" casnumber="65997-18-4"> <oxides> <oxide symbol="PbO" name="Lead Oxide" status="" percent="43.200" tolerance=""/> <oxide symbol="B2O3" name="Boric Oxide" status="" percent="21.900" tolerance=""/> <oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="34.900" tolerance=""/> </oxides> </material>


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