- Glass tube
- alumina ceramic
- Alumina Tube
- Alumina plate
- Alumina crucibles
- alumina milling jar
- Alumina Washer
- alumina plug
- steatite ceramic
- alumina fateners
- alumina sheaths
- Zirconia ceramic
- Metalization-Ceramic
- silicon carbide heater
- Si3N4&SiC
- Ceramic fiber board
- fused silica tubes
- Mosi2 heating elements
- steatite ceramic
- Metallic heating elements
- zirconia ceramic screws
- Ceramic washers
- Tube furnace
- Graphite crucibles
- dental furnace for sintering
- Thermocouple
- Grinding jar
- Boron nitride disk/disc
- Add:Changjiang Road #665, Changzhou city, Jiangsu province,China 213000
- Tel:+86-0519-6659865
- Fax:+86-0519-6674895
- E-mail:hrotoor@163.com
- Contacts:Allen Wazhe
INTRODUCTION:
Alumina Ceramic Part Application:
- Furnace process tubes
- Steel tube liners
- Coal handling wear resistance pads
- Thermocouple protection tubes
- Sandblasting nozzles
- Wire drawing dies
- Bushings and caps
- Crucibles
- Tool bits
- Saggers
- Kiln furniture
- Mechanical seals
- Fuel cell parts
- Rollers for hearth furnaces
- Welding nozzles
- Laser parts
- Gas igniters
- Electric insulator
- Ceramic guiders
- Ceramic screwdrivers
- Zirconia oxygen Sensors
- Medical and surgical components
Alumina Ceramic Part Technical Date:
Alumina ceramic is kind of structural ceramics, with insulation resistance, voltage resistance, high strength, good thermal conductivity, dielectric loss, stable electrical performance characteristics. Used in electronic ceramic substrates, ceramic electrical insulation, vacuum devices, devices porcelain, spark plugs and other products. We can make the part by hot injection pressing, dry pressing, isostatic pressing and extrusion productive technology etc |
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Item |
Unit |
95 Al2O3 |
96 Al2O3 |
99 Al2O3 |
|
Physical Characteristics |
Heat resistance |
0C |
1500 |
1550 |
1800 |
Bulk density |
g/cm3 |
3.6 |
3.6 |
3.9 |
|
Water absorption |
% |
0 |
0 |
0 |
|
|
Flexural strength |
Mpa |
320 |
340 |
360 |
Hardness vickers |
Gpa |
12.2 |
13.5 |
15.6 |
|
Elastic modulus |
Gpa |
280 |
320 |
370 |
|
Poisson’s ratio |
0.22 |
0.23 |
0.23 |
||
Thermal Characteristics |
Linear expansion coefficient |
(20-5000C) 10-6/0C |
7.1 |
7.2 |
8 |
Thermal conductivity |
w/(m.k) |
16 |
24 |
32 |
|
Specific Heat |
*10-3J/(kg*K) |
0.78 |
0.78 |
0.9 |
|
Electrical Characteristics |
Dielectric constant (1MHZ) |
- |
9 |
9.4 |
9.9 |
Dielectric loss angle |
*10-4 |
15 |
5 |
1 |
|
Dielectric strength |
*106V/m |
12 |
15 |
15 |
Alumina Ring Material: We have 95% and 99.7% alumina, High purity and fine grain