Material Comparison Tool
CoorsTek manufactures high-performance components from over 400 advanced material formulations. Utilize the CoorsTek Material Comparison Tool to compare and contrast material properties.
Select up to 5 materials to compare and contrast material properties.
Aluminum Nitride (family)
Silicon Carbide (family)
Specialty (family)
Composites (family)
Alumina (family)
Boron Carbide (family)
Silicates (family)
Silicon Nitride (family)
Tungsten Carbide (family)
Zirconia (family)
Property | Units | Aluminum Nitride (family) | Silicon Carbide (family) | Specialty (family) | Composites (family) | Alumina (family) | Boron Carbide (family) | Silicates (family) | Silicon Nitride (family) | Tungsten Carbide (family) | Zirconia (family) |
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Coefficient of Thermal Expansion |
1 x 10-6/°C |
3.3 - 5.6 |
3.0 - 4.8 |
7.2 - 9.1 |
4.5 - 4.9 |
3.5 - 10 |
2.9 - 4.5 |
5.1 - 5.9 |
10 - 11 |
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Dielectric Loss (tan δ) |
1MHz, 25 °C |
10-4 to 7.7 x 10-3 |
- |
10-4 to 0.02 |
- |
0.002 - 7 |
10-4 to 1.2 x 10-3 |
- |
10-3 |
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Dielectric Strength (6.35mm) |
ac-kV/mm |
15 - 25 |
- |
5.3 - 19.7 |
- |
9.8 - 10 |
15.0 -17.7 |
- |
9.0 - 9.4 |
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Flexural Strength, MOR (20 °C) |
MPa |
260 - 460 |
210 - 700 |
250 - 1250 |
250 - 450 |
20 - 170 |
600 - 1000 |
900 - 2330 |
180 - 1720 |
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Fracture Toughness, KIc |
MPa m1/2 |
2.75 - 6.0 |
3.5 - 6.3 |
3.0 - 7.3 |
3.0 - 5.0 |
2.0 |
4.25 - 7.5 |
1.0 - 7.0 |
3.5 - 13.0 |
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Maximum Use Temperature |
°C |
800 |
1000 - 1600 |
1200 - 1800 |
1000 - 2000 |
1200 - 1700 |
1150 - 1400 |
103 |
500 - 2400 |
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Thermal Conductivity (20 °C) |
W/m K |
80 - 205 |
80 - 225 |
12.0 - 37.1 |
43 - 100 |
2.5 - 7.3 |
19 -100 |
1.4 - 100 |
2.0 - 2.5 |
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Volume Resistivity (25°C) |
Ω-cm |
1011 to > 1014 |
0.1 - 105 |
1014 to > 1015 |
103 |
1010 to > 1014 |
1010 to 1014 |
103 |
108 to 1.3 x 1014 |
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Application Benefits |
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