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Allen G Kaolin

Oxide Analysis Formula
CaO 0.05% -
K2O 0.20% 0.01
MgO 0.10% 0.01
Na2O 0.08% -
TiO2 1.65% 0.05
Al2O3 38.50% 1.00
SiO2 45.00% 1.98
Fe2O3 0.55% 0.01
LOI 13.60%n/a
Oxide Weight 228.19
Formula Weight 264.11

Notes

An intermediate-grained kaolin used as a suspension aid in ceramic glazes.

Physical Properties
===================
Dry M.O.R., psi:* 400
pH: 4.8
C.E.C., meq/100g: 6.5 +/- 1.0
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.

Data

Surface Area (m2/gm) 13.5
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