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Old Hickory TI-21 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
Download PDF Old Hickory TI-21 Tennessee Ball Clay.pdf
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Material Notes:
TI-21 is a very low carbon content clay specifically designed for plastic forming methods. It has excellent oxidation qualities particularly for dense volume stoneware or vitreous ceramic pieces. The excellent plasticity provides outstanding jigger, ram pressing or hand throwing qualities to the formulation. The Fe2O3 and TiO2 content produces a cream white fired color for enhancing a stoneware appearance to the formula.Information provided by Old Hickory Clay Company
Physical Properties Metric English Comments
Particle Size 0.44 µm
0.44 µm
Median particle diameter
0.50 µm
0.50 µm
55% of particles less than
1.0 µm
1.0 µm
65% of particles less than
<= 5.0 µm
<= 5.0 µm
84% of particles less than
pH 6.3
6.3
Soluble Sulfates 200 ppm
200 ppm
Specific Surface Area 21.7 m²/g
21.7 m²/g
Mechanical Properties Metric English Comments
Modulus of Rupture 0.00355 GPa
0.515 ksi
Dry Modulus of Rupture, 50% clay/50% flint, cast bars
Thermal Properties Metric English Comments
Shrinkage 5.2 %
5.2 %
Cone 04, Linear Fired Shrinkage
6.4 %
6.4 %
Cone 3, Linear Fired Shrinkage
7.0 %
7.0 %
Linear Drying Shrinkage
8.1 %
8.1 %
Cone 11, Linear Fired Shrinkage
Component Elements Properties Metric English Comments
Al2O3 27.94 %
27.94 %
CaO 0.090 %
0.090 %
Fe2O3 1.07 %
1.07 %
K2O 0.34 %
0.34 %
Loss on Ignition(%) 9.56 %
9.56 %
MgO 0.24 %
0.24 %
Na2O 0.060 %
0.060 %
SiO2 58.52 %
58.52 %
TiO2 2.14 %
2.14 %
Descriptive Properties Value Comments
Absorption (%) 10.6
Cone 3, Fired
15.5
Cone 04, Fired
3.8
Cone 11, Fired
CEC/MBI (meg/100 ml) 8.3
Crude Color Light Grey
Filtration (ml) 26
Pyrometric Cone Equivalent (PCE) 29-31
Water of Plasticity (%) 35
Wet Sieve Residue (%) 0.69
Wet Sieve Residue, +200 mesh
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