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Sapphire Kaolin

Secondary Fine Particle Kaolin

Alternate Names: Saphire Kaolin, Saphhire Kaolin

OxideAnalysisFormula
CaO0.20%0.010
MgO0.15%0.010
K2O0.19%0.005
Na2O0.10%0.004
TiO21.40%0.047
Al2O338.15%1.000
SiO246.25%2.058
Fe2O30.65%0.011
LOI13.37
Oxide Weight232.85
Formula Weight268.79
If this formula is not unified correctly please contact us.

This is a secondary kaolin with a fine particle size distribution. It has no additives. It imparts high green strength while maintaining the best possible fired color. Sapphire is used in the dinnerware, artware and tile industries.

Physical Properties
===================
Dry M.O.R., psi:* 400
pH: 4.8
C.E.C., meq/100g: 6.5 +/- 1.0
Specific Surface Area, sq metre/g: 16.5
Specific Gravity: 2.6
P.C.E.: 33-34

Particle Size, Microns: 20 10 5 2 1 0.5 325# residue
(% finer than) 99% 97% 93% 81% 72% 56% .5

Fired Properties
================
Color, Cone 8 (L) 83.0
(a) -0.8
(b) 8.6

Shrinkage Cone 10, 100% clay 9.2
Absorption Cone 10, 100% clay 7.8

------------------
*Extruded, 50% ball clay, 50% flint
**50% Clay, 50% Nepheline Syenite


Out Bound Links


By Tony Hansen

XML for Import into INSIGHT

<?xml version="1.0" encoding="UTF-8"?> <material name="Sapphire Kaolin" descrip="Secondary Fine Particle Kaolin" searchkey="Saphire Kaolin, Saphhire Kaolin" loi="13.37" casnumber="95077-05-7"> <oxides> <oxide symbol="CaO" name="Calcium Oxide, Calcia" status="" percent="0.200" tolerance=""/> <oxide symbol="MgO" name="Magnesium Oxide, Magnesia" status="" percent="0.150" tolerance=""/> <oxide symbol="K2O" name="Potassium Oxide" status="" percent="0.190" tolerance=""/> <oxide symbol="Na2O" name="Sodium Oxide, Soda" status="" percent="0.100" tolerance=""/> <oxide symbol="TiO2" name="Titanium Dioxide, Titania" status="" percent="1.400" tolerance=""/> <oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="38.150" tolerance=""/> <oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="46.250" tolerance=""/> <oxide symbol="Fe2O3" name="Iron Oxide, Ferric Oxide" status="" percent="0.650" tolerance=""/> </oxides> <volatiles> <volatile symbol="LOI" name="Loss on Ignition" percent="13.370" tolerance=""/> </volatiles> </material>


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