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Diamond Kaolin
Secondary Intermediate Psd
Chemistry
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Links to Other Materials
Miscellaneous
- Family: Kaolin
- Region: North America
- Mined At: Unspecified
- Raw Mineral: No
- Generic: No
Notes
This is a secondary kaolin with an intermediate particle size distribution. It is primarily used in plastic forming processes where its particle size distribution and montmorillonitic mineralogy serves to impart green strength to the body. It contains low Fe2O3 and TiO2 content for applications where fired color is critical. It has also proven useful in glaze applications.
Physical Properties
===================
Dry M.O.R., psi: 300-400
pH: 4-6.5
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
================
Color, Cone 8 (L) 83.0
(a) -0.8
(b) 8.6
Shrinkage Cone 10, 100% clay 9.8
Absorption Cone 10, 100% clay 8.9
The manufacturer claims this material is a substitute for GK Pioneer Kaolin.
Data
- % < 5 microns: 83
- % < 0.5 microns: 38
- Surface Area (m2/gm): 18
- Surface Area (m2/gm): 18
- % < 0.5 microns: 38
- % < 5 microns: 83
URLs
- K&T Ceramic Grade Kaolins - http://www.k-tclay.com/ceramic_kaolin.asp
Suppliers
- K&T Clays
Authors
- Tony Hansen (Owner)
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