Home > Products > Ceramic Rods > Alumina Ceramic Rods

Alumina Ceramic Rods

Alumina ceramic rod is made of aluminium oxide (Al2O3) ceramic. Alumina ceramic as a fine ceramic material is widely used in a lot of industries. Aluminum oxide rod has superb performances in electrical insulation and low thermal expansion. It has very high hardness, very high stiffness, very good corrosion resistance to chemicals at high temperature, and very high refractoriness or use temperature.

Product Features:

1. High density
2. High hardness
3. Low thermal conductivity
4. Chemical inertness
5. Resistance to molten metals
6. Good Wear resistance
7. High fracture toughness

Product Parameters:

Property Units      
Al2O3 Content % 95 99 99.7
Density g / cm3 3.70 3.90 3.92
Color White White Ivory
Compressive Strength @ 25 C Mpa 2229 2091 2350
Tensile Strength @ 25 C MPa 200 200 252
Flexural Strength @ 25 C MPa 331 276 320
Elastic Modulus @ 25 C GPa 290 331 380
Hardness : Knoop Rockwell (Gpa) Kg/mm2
R45N
(11.7)   1196
79
(12.5)   1276
77
(15) 1510 90
Thermal Conductivity @ 25 C W / m-Deg K 20.8 28.1 31.6
Coefficient of Thermal Expansion @ 25-1000 C 1 X 10-6 /
Deg C
7.9 8.5 8.0
Specific Heat @ 25 C cal / g / Deg C .184 .184 .180
Maximum Working Temp. Deg C 1650 1650 1700
VolumeResitivity       @25C   @700 C ohm-cm
ohm-cm
1 X 10-13
1 X 10-8
1X 10-13
2.2 X 10-9
1 X 10-13
6 x 10-7
Dielectric Strength
(@Thickness)   100Mils
ac volts
per mil
350 340 330
Dielectric Constant   1Mhz
@25C
e’ / eo 8.6 9.4 10.0
Dissipation Factor 1 Mhz
@25C
Tan Delta .0004  

.0003

.0002

Product Parameters:

Application and After-Sales Service:

Alumina ceramic rods have a wide variety of applications:
• Used for making parts for CVD, ion implants, photolithography, and semiconductor parts.
• In traditional industries, alumina ceramics are ideal for products such as injector tubes, gas nozzles and insulators.
• Used as a material for industrial furnaces due to its ability to maintain its hardness at high temperatures.
• Used as protector for high temperature thermal couples.
• Used as a material for chemical industry due to its high corrosion resistance.

Our alumina ceramic rods are exported to USA, Canada, Europe, and South America and Southeast Asia.

After-sales service:

Accept any repair of the product, help to improve technology for customer. And also provide long-term technical help and support for you.

Inquiry:

*
*
Please Choose:
*