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Sapphire Kaolin

Secondary Fine Particle Kaolin

Alternate Names: Saphire Kaolin, Saphhire Kaolin

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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