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Pyrofrac 1655

OxideAnalysisFormula
K2O0.45%0.036
Na2O0.45%0.055
TiO20.40%0.038
Al2O313.50%1.000
SiO279.00%9.932
Fe2O31.00%0.047
Cl5.20
Oxide Weight716.27
Formula Weight755.56
If this formula is not unified correctly please contact us.
DENS - Density (Specific Gravity) 2.6
SADR - Sieve Analysis Dry +50 mesh: 0.1 +70 mesh: 0.1 +100 mesh: 1.1 +200 mesh: 8.6 +325 mesh: 21.0
PCE - Pyrometric Cone Equivalent 20
BDLB - Bulk Density lbs/cu. ft. (Packed) 65

Used in structural clay coatings, refractory formulations, whiteware ceramics, art pottery to
increase refractoriness, reduce shrinkage, and widen firing range.
This material is made by crushing & screening of selectively mined andalusite/pyrophyllite/sericite ores
with heavy media separation.


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By Tony Hansen

XML for Import into INSIGHT

<?xml version="1.0" encoding="UTF-8"?> <material name="Pyrofrac 1655" descrip="" searchkey="" loi="0.00" casnumber="12269-78-2"> <oxides> <oxide symbol="K2O" name="Potassium Oxide" status="" percent="0.450" tolerance=""/> <oxide symbol="Na2O" name="Sodium Oxide, Soda" status="" percent="0.450" tolerance=""/> <oxide symbol="TiO2" name="Titanium Dioxide, Titania" status="" percent="0.400" tolerance=""/> <oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="U" percent="13.500" tolerance=""/> <oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="79.000" tolerance=""/> <oxide symbol="Fe2O3" name="Iron Oxide, Ferric Oxide" status="" percent="1.000" tolerance=""/> </oxides> <volatiles> <volatile symbol="Cl" name="Chlorine Gas" percent="5.200" tolerance=""/> </volatiles> </material>


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