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
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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
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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

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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