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SUOYI 99% Al2O3 Alumina granulated powder 2N Alumina Powder for Ceramic Substrate white powder 60-200 mesh CAS 1344-28-1-1
Item |
Value |
Classification |
ALUMINA |
CAS No. |
1344-28-1 |
Other Names |
Alumina |
MF |
Al2O3 |
EINECS No. |
215-691-6 |
Place of Origin |
China Hebei |
Grade Standard |
Electron Grade, Industrial Grade |
Purity |
95%-99.9% |
Appearance |
White powder |
Application |
For special ceramics |
Brand Name |
SUOYI |
MF |
Al2O3 |
Molecular weight: |
101.96 |
Material: |
Alumina Ceramic |
Application |
Structural ceramics and filter ceramics |
Boiling Point: |
2980 ℃ |
Melting point: |
2054 ℃ |
Alumina Ceramic Performance |
|||||
Item |
Unit |
95 Al2O3 |
96 Al2O3 |
99 Al2O3 |
|
Physical Characteristics |
Heat resistance |
℃ |
1500 |
1550 |
1800 |
Bulk dnsity |
g/cm³ |
3.6 |
3.6 |
3.9 |
|
Water absorption |
% |
0 |
0 |
0 |
|
Mechanical Characteristics |
Flexural strength |
Mpa |
320 |
340 |
360 |
Hardness vickers |
Gpa |
12.2 |
13.5 |
15.6 |
|
Elastic mdulus |
Gpa |
280 |
320 |
370 |
|
Poisson'radio |
0.22 |
0.23 |
0.23 |
||
Thermal Characteristics |
Linear expansion coeffcient |
(20-500℃)10^-6/℃ |
7.1 |
7.2 |
8 |
Thermal conductivity |
w/(m.k) |
16 |
24 |
32 |
|
Specific heat |
*10^-3(kg*K) |
0.78 |
0.78 |
0.9 |
|
Electrical Characteristic |
Dielectric constant(1MHZ) |
- |
9 |
9.4 |
9.9 |
Dielectric loss angle |
*10^-4 |
15 |
5 |
1 |
|
Dielectric strength |
*10^6V/m |
12 |
15 |
15 |