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Ensinger PEI

Titanium Dioxide, TiO2, Anatase
Categories: Ceramic; Oxide; Titanium Oxide

Key Words: TiO2; Titania
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Physical PropertiesMetricEnglishComments
Density 3.89 g/cc0.141 lb/in³
 4.23 g/cc0.153 lb/in³
a Lattice Constant 3.785 Å3.785 Å
c Lattice Constant 9.514 Å9.514 Å
Formula Units/Cell (Z) 44
Molecular Weight 79.866 g/mol79.866 g/mol
 
Mechanical PropertiesMetricEnglishComments
Hardness, Mohs 5.5 - 6.05.5 - 6.0
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 1.00e+13 - 1.00e+18 ohm-cm1.00e+13 - 1.00e+18 ohm-cm
Magnetic Susceptibility 0.00000590.0000059cm^3/mol
Dielectric Constant 14 - 110
@Frequency 1e+8 Hz
14 - 110
@Frequency 1e+8 Hz
Depending on sample history and orientation
Dielectric Strength 4.00 - 8.00 kV/mm102 - 203 kV/in
Dissipation Factor 0.00020 - 0.00500.00020 - 0.0050
 
Thermal PropertiesMetricEnglishComments
CTE, linear 10.2 µm/m-°C
@Temperature 20.0 °C
5.67 µin/in-°F
@Temperature 68.0 °F
polycrystalline
Melting Point 1825 °C3317 °F
 
Optical PropertiesMetricEnglishComments
Refractive Index 2.4882.488η α
 2.5612.561η β
UV Transmittance 33 %33 %67% absorption at 360 µm; polycrystalline
Reflection Coefficient, Visible (0-1)  0.88 - 0.90
@Temperature 400 °C
0.88 - 0.90
@Temperature 752 °F
polycrystalline
 0.94 - 0.95
@Temperature 500 °C
0.94 - 0.95
@Temperature 932 °F
polycrystalline
 
Descriptive Properties
Crystal StructureTetragonalI41/amd

References for this datasheet.

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BOTiB / 281

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