Certification: | RoHS |
---|---|
Type: | Electrothermal Ceramics |
Material: | Alumina |
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Thermal Properties for Alumina Heater
|
||
Item
|
Unit
|
Value
|
Vickers Hardness
|
Gpa
|
11.5
|
Flexural Strength
|
Mpa
|
300
|
Compressive Strength
|
Mpa
|
2000
|
Modulus of Elasticity
|
Gpa
|
300
|
Poisson's Ratio
|
---
|
0.22-0.23
|
Fracture Toughness
|
Mpam 1/2
|
3.5-4.0
|
Thermal Conductivity
|
W/(m·k)
|
25
|
Thermal Expansion Coefficient
|
10 -6/
|
6.5-7.5
|
Thermal Shock Resistance
|
△T
|
200
|
Maximum Use Temperature
|
|
1600
|
Dielectric Strength
|
KV/mm
|
>12
|
Dielectric Constant
|
εr
|
9-10
|
Dielectric Loss Angle (1MHz)
|
---
|
0.0002
|
Volume Resistivity
|
Ω.m
|
>10 15
|
Specific Heat
|
J/(kg·k)
|
0.78x10 3
|