Rogers Kaolin

Oxide	Analysis	Formula
CaO	0.28%	0.01
K2O	0.26%	0.01
MgO	0.26%	0.02
Na2O	0.12%	0.01
TiO2	1.30%	0.04
Al2O3	37.50%	1.00
SiO2	46.50%	2.10
Fe2O3	1.00%	0.02
LOI	13.20%	n/a
Oxide Weight		237.24
Formula Weight		273.32

Notes

A fine-grained montmorillonitic kaolin used primarily in plastic formed bodies. High strength and good deflocculation make its use advantageous in casting bodies on a controlled basis..

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

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

Related Information

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Materials	Kaolin The purest of all clays in nature. Kaolins are used in porcelains and stonewares to impart whiteness, in glazes to supply Al2O3 and to suspend slurries.
Typecodes	Kaolin Pure clay mineral, there are many brand names of varying purity and iron content.

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