Material Comparison Tool

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

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

210 - 700

250 - 1250

250 - 450 

20 - 170 

600 - 1000

900 - 2330

180 - 1720 

Fracture Toughness, K_Ic

MPa m^1/2

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

Maximum Use Temperature

°C

800

1000 - 1600

1200 - 1800

1000 - 2000

1200 - 1700

1150 - 1400

10³

500 - 2400

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

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