High Thermal Conductivity Alumina Ceramic for Heatsink Alumina Circle Ceramic Substrate with High Heat Resistance
Model NO.
Rui Yue
Shape
Square,Rectangle Ect.
Raw Material
95-99% Alumina Ceramic
Denisty
3.7g / Cm3
Color
White, Light Yellow
Surface Treatment
Smooth
Property
Insulated Ceramic Heating Element
Working Temperature
1480 Degree
Usage
Metallurgy,Mining,Textile,Paper-Making, etc.
Characteristic
Low Porosity
Transport Package
by Carton
Specification
Customize
Trademark
RY
Origin
Hunan China
HS Code
8547100000
Production Capacity
500000PCS Per Month
Reference Price
$ 4.50 - 45.00
Description
Product Description
High Thermal Conductivity Alumina Ceramic for Heatsink Alumina Circle Ceramic Substrate with High Heat Resistance
Performance for Alumina Substrate :
| Item | Unit | 95 Al 2 O 3 | 99 Al 2 O 3 |
| Heat Resistance | ºC | 1500 | 1800 |
| Bulk Density | g/cm 3 | 3.6 | 3.8 |
| Water Absorption | % | 0 | 0 |
| Flexural Strength | Mpa | 320 | 360 |
| Hardness Vickers | Gpa | 12.2 | 15.6 |
| Elastic Modulus | Gpa | 280 | 370 |
| Poisson's Ratio | - | 0.22 | 0.23 |
| Linear Expansion Coefficient | (20-5000 ºC ) 10 -6 / ºC | 7.1 | 8 |
| Thermal Conductivity | W/(M.K) | 16 | 32 |
| Specific Heat | ×10 -3 J/(KG . K) | 0.78 | 0.9 |
| Dielectric Constant(1MHZ) | - | 9 | 9.9 |
| Dielectric Loss Angle | ×10 -4 | 15 | 1 |
| Dielectric Strength | ×10 6 V/m | 12 | 15 |
Anticorrosive Material
-
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