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Old Hickory Dunn Tennessee Ball Clay

Category Ceramic , Clay , Ball Clay
Manufacturer Old Hickory Clay Co.
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Dunn clay is a selection originating from our Gleason, TN processing facility and is characterized by moderately high levels of kaolin interspersed with the presence of some carbon content. It is an economical selection of clay that can be considered particularly where high volumes of clay may be required. The selection has an established history of performance in pavement sealer applications and structural brick compositions.Information provided by Old Hickory Clay Company
Physical Properties Metric English Comments
Particle Size 0.39 µm
0.39 µm
Median particle diameter
0.50 µm
0.50 µm
55% of particles less than
1.0 µm
1.0 µm
64% of particles less than
<= 5.0 µm
<= 5.0 µm
84% of particles less than
pH 5.7
5.7
Soluble Sulfates 192 ppm
192 ppm
Specific Surface Area 19.3 m²/g
19.3 m²/g
Mechanical Properties Metric English Comments
Modulus of Rupture 0.00310 GPa
0.450 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
6.4 %
6.4 %
Linear Drying Shrinkage
6.5 %
6.5 %
Cone 3, Linear Fired Shrinkage
7.7 %
7.7 %
Cone 11, Linear Fired Shrinkage
Component Elements Properties Metric English Comments
Al2O3 26.9 %
26.9 %
CaO 0.16 %
0.16 %
Fe2O3 1.0 %
1.0 %
K2O 0.69 %
0.69 %
Loss on Ignition(%) 8.98 %
8.98 %
MgO 0.71 %
0.71 %
Na2O 0.050 %
0.050 %
SiO2 59.1 %
59.1 %
TiO2 2.34 %
2.34 %
Descriptive Properties Value Comments
Absorption (%) 10.6
Cone 3, Fired
15.8
Cone 04, Fired
3.7
Cone 11, Fired
CEC/MBI (meg/100 ml) 10.5
Crude Color Light Grey
Filtration (ml) 24
Pyrometric Cone Equivalent (PCE) 29
Water of Plasticity (%) 30
Wet Sieve Residue (%) 2.29
Wet Sieve Residue, +200 mesh
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