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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
================
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

Links

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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