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Hillman Kaolin

Oxide Analysis Formula
CaO 0.17% 0.01
K2O 0.20% 0.01
MgO 0.12% 0.01
Na2O 0.10% 0.00
TiO2 1.50% 0.05
Al2O3 38.10% 1.00
SiO2 45.20% 2.01
Fe2O3 0.60% 0.01
LOI13.50%
Oxide Weight 230.21
Formula Weight 266.14

Notes

An intermediate-grained, white-firing kaolin used in plastic formed bodies.

Physical Properties
===================
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

------------------
*Extruded, 50% ball clay, 50% flint
**50% Clay, 50% Nepheline Syenite

Related Information

Links

Materials Kaolin
Typecodes Kaolin
Pure clay mineral, there are many brand names of varying purity and iron content.

By Tony Hansen


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