•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.

WRA Calcined Alumina

ALUMINA

OxideAnalysisFormula
CaO0.02%0.000
Na2O0.10%0.002
Al2O399.70%1.000
SiO20.02%0.000
Fe2O30.02%0.000
LOI0.10
Oxide Weight102.16
Formula Weight102.27
If this formula is not unified correctly please contact us.

This is an intermediate soda, medium crystalline 3rd generation calcined
alumina.
WRA A-17 A-16
Ultimate crystal size d50-Eppendorf, microns: 2.5-3.2 3.0-3.5 .3-.5
Al2O3 99.5+ 99.5+
SiO2 .02 for A17, .01 for A16
Fe2O3 .01 for all
Na2O3 .08 for A17 and A16
Specific surface area: BET, m2/g .5-.8 3 3-7
Aggregate size, % for WRA: >150 micron 1-10, >63 " 60-80, >40 70-95
Grinding time, Hrs: 4 for A17, 16 for A16
Green density, g/cc: 2.15 for A16, 2.5 for A17
Fired density, g/cc: 3.88 for A16, 3.75 for A17

From Aluminum Company of America
1501 Alcoa Building
Chemicals Division
Pittsburg, PA 15219


Out Bound Links

In Bound Links


By Tony Hansen

XML for Import into INSIGHT

<?xml version="1.0" encoding="UTF-8"?> <material name="WRA Calcined Alumina" descrip="ALUMINA" searchkey="" loi="0.10" casnumber=""> <oxides> <oxide symbol="CaO" name="Calcium Oxide, Calcia" status="" percent="0.020" tolerance=""/> <oxide symbol="Na2O" name="Sodium Oxide, Soda" status="" percent="0.100" tolerance=""/> <oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="99.700" tolerance=""/> <oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="0.020" tolerance=""/> <oxide symbol="Fe2O3" name="Iron Oxide, Ferric Oxide" status="" percent="0.020" tolerance=""/> </oxides> <volatiles> <volatile symbol="LOI" name="Loss on Ignition" percent="0.100" tolerance=""/> </volatiles> </material>


Feedback, Suggestions

Your email address

Subject

Your Name

Message


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