Basic Info.
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
Sample
Free
Transport Package
by Carton
Specification
Customize
Trademark
RY
Origin
Hunan China
HS Code
8547100000
Production Capacity
500000PCS Per Month
Product Description
High Temperature and Wear Resistant Alumina Ceramic Substrate
Performance for Alumina Substrate :
| Item | Unit | 95 Al2O3 | 99 Al2O3 |
| Heat Resistance | ºC | 1500 | 1800 |
| Bulk Density | g/cm3 | 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 | (20-5000ºC) 10-6/ºC | 7.1 | 8 |
| Thermal Conductivity | W/(M.K) | 16 | 32 |
| Specific Heat | ×10-3J/(KG.K) | 0.78 | 0.9 |
| Dielectric Constant(1MHZ) | - | 9 | 9.9 |
| Dielectric Loss Angle | ×10-4 | 15 | 1 |
| Dielectric Strength | ×106V/m | 12 | 15 |
