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Old Hickory Thomas Tennessee Ball Clay

Category Ceramic , Clay , Ball Clay
Manufacturer Old Hickory Clay Co.
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Thomas clay is similar to Volunteer clay and has established an excellent history of performance in stoneware and low fire (talc base) plastic and casting formulas. The diverse combination of clays provide enhanced plasticity to a ceramic composition through increased particle packing density. Thomas clay has very good fired brightness and oxidation qualities.Information provided by Old Hickory Clay Company
Physical Properties Metric English Comments
Particle Size 0.38 µm
0.38 µm
Median particle diameter
0.50 µm
0.50 µm
56% of particles less than
1.0 µm
1.0 µm
66% of particles less than
<= 5.0 µm
<= 5.0 µm
85% of particles less than
pH 5.3
5.3
Soluble Sulfates 190 ppm
190 ppm
Specific Surface Area 21.7 m²/g
21.7 m²/g
Mechanical Properties Metric English Comments
Modulus of Rupture 0.00352 GPa
0.510 ksi
Dry Modulus of Rupture, 50% clay/50% flint, cast bars
Thermal Properties Metric English Comments
Shrinkage 5.7 %
5.7 %
Cone 04, Linear Fired Shrinkage
6.6 %
6.6 %
Cone 3, Linear Fired Shrinkage
6.8 %
6.8 %
Linear Drying Shrinkage
8.1 %
8.1 %
Cone 11, Linear Fired Shrinkage
Component Elements Properties Metric English Comments
Al2O3 27.95 %
27.95 %
CaO 0.11 %
0.11 %
Fe2O3 1.1 %
1.1 %
K2O 0.46 %
0.46 %
Loss on Ignition(%) 9.56 %
9.56 %
MgO 0.33 %
0.33 %
Na2O 0.080 %
0.080 %
SiO2 58.34 %
58.34 %
TiO2 1.97 %
1.97 %
Descriptive Properties Value Comments
Absorption (%) 10.6
Cone 3, Fired
15.7
Cone 04, Fired
3.6
Cone 11, Fired
CEC/MBI (meg/100 ml) 7.7
Crude Color Light Brown
Filtration (ml) 27
Pyrometric Cone Equivalent (PCE) 31
Water of Plasticity (%) 34
Wet Sieve Residue (%) 0.53
Wet Sieve Residue, +200 mesh
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