Hamilton Kaolin

Description: Legacy kaolin

Oxide	Analysis	Formula
CaO	0.15%	0.01
K2O	0.18%	0.01
MgO	0.10%	0.01
Na2O	0.08%	-
TiO2	1.40%	0.05
Al2O3	37.90%	1.00
SiO2	45.60%	2.04
Fe2O3	0.70%	0.01
LOI	13.50%	n/a
Oxide Weight		231.75
Formula Weight		267.92

Notes

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

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.

By Tony Hansen
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