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Rogers Kaolin
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| CaO | 0.28% | 0.01 | |
| K2O | 0.26% | 0.01 | |
| MgO | 0.26% | 0.02 | |
| Na2O | 0.12% | 0.01 | |
| TiO2 | 1.30% | 0.04 | |
| Al2O3 | 37.50% | 1.00 | |
| SiO2 | 46.50% | 2.10 | |
| Fe2O3 | 1.00% | 0.02 | |
| LOI | 13.20% | n/a | |
| Oxide Weight | 237.24 | ||
| Formula Weight | 273.32 | ||
Notes
A fine-grained montmorillonitic kaolin used primarily in plastic formed bodies. High strength and good deflocculation make its use advantageous in casting bodies on a controlled basis..
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
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. |
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