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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)

Specialty (family)

Composites (family)

Alumina (family)

Boron Carbide (family)

Silicates (family)

Silicon Carbide (family)

Silicon Nitride (family)

Tungsten Carbide (family)

Zirconia (family)

Property Units Aluminum Nitride (family) Specialty (family) Composites (family) Alumina (family) Boron Carbide (family) Silicates (family) Silicon Carbide (family) Silicon Nitride (family) Tungsten Carbide (family) Zirconia (family)

Coefficient of Thermal Expansion

1 x 10-6/°C

3.3 - 5.6 

7.2 - 9.1

4.5 - 4.9

3.5 - 10

3.0 - 4.8

2.9 - 4.5

5.1 - 5.9

10 - 11

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

Dielectric Strength (6.35mm)

ac-kV/mm

15 - 25

5.3 - 19.7

9.8 - 10

-

15.0 -17.7

-

9.0 - 9.4

Flexural Strength, MOR (20 °C)

MPa

260 - 460

250 - 1250

250 - 450 

20 - 170 

210 - 700

600 - 1000

900 - 2330

180 - 1720 

Fracture Toughness, KIc

MPa m1/2

2.75 - 6.0

3.0 - 7.3

3.0 - 5.0 

2.0

3.5 - 6.3

4.25 - 7.5

1.0 - 7.0 

3.5 - 13.0

Maximum Use Temperature

°C

800

1200 - 1800

1000 - 2000

1200 - 1700

1000 - 1600

1150 - 1400

103

500 - 2400

Thermal Conductivity (20 °C)

W/m K

80 - 205

12.0 - 37.1

43 - 100

2.5 - 7.3 

80 - 225

19 -100

1.4 - 100

2.0 - 2.5

Volume Resistivity (25°C)

Ω-cm

1011 to > 1014

1014 to  > 1015

103

1010 to > 1014

0.1 - 105

1010 to 1014

103

108 to 1.3 x 1014

Application Benefits
  • High thermal conductivity
  • Electrical insulator
  • Application specific formulation
  • Uniquely designed
  • Excellent all around performance
  • Good for wear, chemical, and electrical applications
  • Extreme hardness
  • Low density
  • Good thermal shock resistance
  • Good electrical properties
  • Outstanding wear and corrosion resistance
  • Tailorable properties for individual applications
  • High strength and toughness
  • Excellent thermal shock resistance
  • High hardness and wear resistance
  • Severe service capabilities
  • Outstanding toughness

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