No. 6 DC

Alternate Names: Old Hickory No. 6 DC Ball Clay

Description: Kentucky Ball Clay

Oxide	Analysis	Formula
CaO	0.03%	-
K2O	0.31%	0.01
MgO	0.20%	0.02
Na2O	0.10%	0.01
TiO2	1.80%	0.09
Al2O3	26.30%	1.00
SiO2	60.50%	3.90
Fe2O3	0.84%	0.02
LOI	9.70%	n/a
Oxide Weight		349.36
Formula Weight		386.89

Notes

Crude Color: White
Dry M.O.R. (psi 50% clay/50% flint, cast bars): 449
Wet Sieve Residue, +200 mesh (%): 0.31
Water of Plasticity (%): 33
Linear Dry Shrinkage (%): 5.02
Solubles Sulfates (ppm): 229
Filtration (ml): 26
Specific Surface Area (sq meters per gram): 17.3
CEC/MBI (meq/100 ml): 9.0
pH: 6.0
PCE: 32

Firing Shrinkage (%) Cone 04: 4.1 Cone 3: 6.6 Cone 11: 7.2
Absorption (%) 15.2 10.1 4.8

Particle Size (% finer than):
50 microns: 99
20: 97
10: 92
5: 85
1: 59
0.5: 48

Related Information

Links

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
Follow me on

Got a Question?

Buy me a coffee and we can talk