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44-B Ball Clay

Oxide Analysis Formula
CaO 0.12% 0.01
K2O 0.88% 0.04
MgO 0.23% 0.02
Na2O 0.09% 0.01
TiO2 1.53% 0.08
Al2O3 25.80% 1.00
SiO2 60.00% 3.95
Fe2O3 1.03% 0.03
LOI10.10%
Oxide Weight 354.55
Formula Weight 394.38

Notes

Crude Color: Light Grey
Dry M.O.R. (psi 50% clay/50% flint, cast bars): 600
Wet Sieve Residue, +200 mesh (%): 0.65
Water of Plasticity (%): 33
Linear Dry Shrinkage (%): 6.3
Solubles Sulfates (ppm): 530
Filtration (ml): 19
Specific Surface Area (sq meters per gram): 19.2
CEC/MBI (meq/100 ml): 10.0
pH: 6.3
PCE: 30

Firing Shrinkage (%)
Cone 04: 3.7
Cone 3: 5.6
Cone 11: 6.6

Absorption (%)
Cone 04: 13.5
Cone 3: 8.4
Cone 11: 2.1

Particle Size (% finer than):
50 microns: 100
20: 97
10: 93
5: 82
1: 57
0.5: 45

Related Information

Links

Materials Ball Clay
Suppliers Old Hickory
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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