•The secret to cool bodies and glazes is a lot of testing.
•The secret to know what to test is material and chemistry knowledge.
•The secret to learning from testing is documentation.
•The place to test, do the chemistry and document is an account at https://insight-live.com
•The place to get the knowledge is https://digitalfire.com

Sign-up at https://insight-live.com today.

PBX Fireclay

Dark Plastic Fire Clay

OxideAnalysisFormula
CaO0.02%0.001
MgO0.23%0.019
K2O0.11%0.004
Na2O0.03%0.002
TiO21.70%0.070
Al2O331.10%1.000
SiO245.70%2.494
Fe2O36.10%0.125
LOI15.30
Oxide Weight278.75
Formula Weight329.10
If this formula is not unified correctly please contact us.

Was used up until the 1970s but has not been available since. This material was popular since it fired to a very warm brown in oxidation and deep brown in reduction.


PBX Fireclay test bars fired over a wide temperature range

PBX Fireclay test bars fired over a wide temperature range

Cone 10 reduction (top), cone 10 down to 6 oxidation below that (top to bottom).

Out Bound Links


By Tony Hansen

XML for Import into INSIGHT

<?xml version="1.0" encoding="UTF-8"?> <material name="PBX Fireclay" descrip="Dark Plastic Fire Clay" searchkey="" loi="0.00" casnumber="70694-09-6"> <oxides> <oxide symbol="CaO" name="Calcium Oxide, Calcia" status="" percent="0.020" tolerance=""/> <oxide symbol="MgO" name="Magnesium Oxide, Magnesia" status="" percent="0.230" tolerance=""/> <oxide symbol="K2O" name="Potassium Oxide" status="" percent="0.110" tolerance=""/> <oxide symbol="Na2O" name="Sodium Oxide, Soda" status="" percent="0.030" tolerance=""/> <oxide symbol="TiO2" name="Titanium Dioxide, Titania" status="" percent="1.700" tolerance=""/> <oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="31.100" tolerance=""/> <oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="45.700" tolerance=""/> <oxide symbol="Fe2O3" name="Iron Oxide, Ferric Oxide" status="" percent="6.100" tolerance=""/> </oxides> <volatiles> <volatile symbol="LOI" name="Loss on Ignition" percent="15.300" tolerance=""/> </volatiles> </material>


Feedback, Suggestions

Your email address

Subject

Your Name

Message


Copyright 2003, 2008, 2015 https://digitalfire.com, All Rights Reserved