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Pyrax HS

Pyrophyllite

Alternate Names: Pyrax HS#5

OxideAnalysisFormula
K2O2.30%0.180
Na2O0.40%0.048
TiO20.10%0.009
Al2O313.80%1.000
SiO280.90%9.949
Fe2O30.20%0.009
LOI2.30
Oxide Weight722.13
Formula Weight739.13
If this formula is not unified correctly please contact us.

Described by the manufacturer as a high sericite pyrophyllite for sanitaryware which aids in early mullite formation offering increased fired strength, faster firing cycles, and increased thermal shock resistance.

Pyrax MP, another grade, is used in rapid fire ceramic wall tile bodies. It lowers firing temperature, produces low moisture expansion bodies with good craze resistance, increases thermal shock resistance, and greatly increases firing strength in vitreous bodies.


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By Tony Hansen

XML for Import into INSIGHT

<?xml version="1.0" encoding="UTF-8"?> <material name="Pyrax HS" descrip="Pyrophyllite" searchkey="Pyrax HS#5" loi="0.00" casnumber="12269-78-2"> <oxides> <oxide symbol="K2O" name="Potassium Oxide" status="" percent="2.300" tolerance=""/> <oxide symbol="Na2O" name="Sodium Oxide, Soda" status="" percent="0.400" tolerance=""/> <oxide symbol="TiO2" name="Titanium Dioxide, Titania" status="" percent="0.100" tolerance=""/> <oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="13.800" tolerance=""/> <oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="80.900" tolerance=""/> <oxide symbol="Fe2O3" name="Iron Oxide, Ferric Oxide" status="" percent="0.200" tolerance=""/> </oxides> <volatiles> <volatile symbol="LOI" name="Loss on Ignition" percent="2.300" tolerance=""/> </volatiles> </material>


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