Kingsley Kaolin

Oxide	Analysis	Formula
CaO	0.90%	0.04
K2O	0.14%	-
MgO	0.04%	-
Na2O	0.11%	-
TiO2	1.64%	0.05
Al2O3	38.40%	1.00
SiO2	44.80%	1.98
Fe2O3	0.39%	0.01
LOI	13.60%	n/a
Oxide Weight		229.55
Formula Weight		265.69

Notes

A coarse-grained white-firing Florida kaolin used in the dinnerware, tile, artware and electrical porcelain industries.

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.

Data

Pyrometric Cone Equivalent	34

By Tony Hansen
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