S-3 Ball Clay

Alternate Names: s3 ball clay, Hick S-3, Old Hickory S-3 Ball Clay

Description: Tennessee Ball Clay

Oxide	Analysis	Formula
CaO	0.02%	-
K2O	1.10%	0.05
MgO	0.26%	0.03
Na2O	0.11%	0.01
TiO2	1.20%	0.06
Al2O3	24.00%	1.00
SiO2	61.20%	4.33
Fe2O3	1.04%	0.03
LOI	10.90%	n/a
Oxide Weight		377.95
Formula Weight		424.19

Notes

Crude Color: Brown
Dry M.O.R. (psi 50% clay/50% flint, cast bars): 407
Wet Sieve Residue, +200 mesh (%): 0.46
Water of Plasticity (%): 38
Linear Dry Shrinkage (%): 6.35
Solubles Sulfates (ppm): 560
Filtration (ml): 28
Specific Surface Area (sq meters per gram): 16.5
CEC/MBI (meq/100 ml): 8.5
pH: 4.7
PCE: 30

Firing Shrinkage (%) Cone 04: 4.5 Cone 3: 6.8 Cone 11: 8.9
Absorption (%) 21.6 12.7 5.6

Particle Size (% finer than):
50 microns: 100
20: 96
10: 94
5: 77
1: 48
0.5: 37

Related Information

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Typecodes	Ball Clay Ball clays are abundant and very plastic and are used in all types of plastic forming bodies. They are not as white-burning or refractory as kaolins but lower in iron and fluxes than bentonites.

By Tony Hansen
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