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Christy Red Plastic Fireclay

Oxide Weight332.25
Formula Weight373.31
If this formula is not unified correctly please contact us.

According to the data sheet it fires red progressing to brown by 2200F and purple/brown by 2400F.
The data sheet from Christy Minerals is unclear since it lists separate drying shrinkages for each of four temperatures (1800, 2000, 2200, 2400F) and they vary from 4.5 to 8.5% (this is not firing related, only one number should be stated).

Also, the LOI shown on the chart averages about 7% but in the analysis is 11%.
This material has an uncharacteristic fired shrinkage reduction with increasing temperature (12% at cone 08 going down to 3% by cone 9). This is happening because the material is beginning to expand already by 1900F and starting to bloat by 2200F.

Particle size (this is a 35 mesh material)
Retained: US 40: 22%
Retained: US 70 26.7%
Retained: US 200 28.5%

Out Bound Links

By Tony Hansen

XML for Import into INSIGHT

<?xml version="1.0" encoding="UTF-8"?> <material name="Christy Red Plastic Fireclay" descrip="" searchkey="" loi="0.00" casnumber=""> <oxides> <oxide symbol="CaO" name="Calcium Oxide, Calcia" status="" percent="0.500" tolerance=""/> <oxide symbol="MgO" name="Magnesium Oxide, Magnesia" status="" percent="1.000" tolerance=""/> <oxide symbol="K2O" name="Potassium Oxide" status="" percent="2.900" tolerance=""/> <oxide symbol="Na2O" name="Sodium Oxide, Soda" status="" percent="0.100" tolerance=""/> <oxide symbol="P2O5" name="Phosphorus Pentoxide" status="" percent="0.300" tolerance=""/> <oxide symbol="TiO2" name="Titanium Dioxide, Titania" status="" percent="1.300" tolerance=""/> <oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="27.200" tolerance=""/> <oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="50.200" tolerance=""/> <oxide symbol="Fe2O3" name="Iron Oxide, Ferric Oxide" status="" percent="5.100" tolerance=""/> </oxides> <volatiles> <volatile symbol="LOI" name="Loss on Ignition" percent="11.000" tolerance="1"/> </volatiles> </material>

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