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Alumina Bushing

Catalog No.CO0111
MaterialAl2O3
Purity95%, 96%, 99%, 99.5%, 99.7%, 99.8%
Density3.8~3.9 g/cm3

Stanford Advanced Materials (SAM) is a leading supplier and manufacturer of Alumina bushing and a wide variety of Alumina products.

Related products: Alumina Mortar and Pestle Set, Alumina CrucibleAlumina Custom Parts

More details

Description:
Alumina is a ceramic material with high thermal conductivity, compressive strength, and thermal shock resistance. It also has a low thermal expansion, making it a suitable material for furnace use in crucible, tube, and thermocouple sheath form. Alumina is high hardness and good wear resistance, making it a suitable material for ball valves, piston pumps, and deep drawing tools. In addition, it can be easily combined with metals and other ceramic materials using brazing techniques and metallizing.

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.

Typical properties for common materials of alumina bushings

Composition

UNIT

AL60

AL95

AL98

AL2O3  content

%

96

99.5

99.8

Color

 

White

Ivory

Ivory

Tensile strength

Kpsi

32

38

36

Flexural strength

Kpsi

52

55

54

Compressive strength

Kpsi

300

377

350

Density

g/cc

3.70

3.90

3.92

Hardness

HV, GPa

13.8

17.2

18

Thermal Conductivity

W/(m K)

25

30

30

C.O.T.E.

In / In°C (x10^-6)

7.7

7.8

7.8

Working temperature

°C

1500

1650

1750

Dielectric Constant

 

9.5

9.7

9.8

Volume Resistivity (25°C)

Ohm-cm

>10^14

>10^14

>10^14

*This chart just demonstrates the typical properties of common alumina materials we use to produce our alumina parts. Please notice that the property for customized alumina parts could vary due to different process. Stanford Advanced Materials could provide alumina products produced under your specified instruction, or do the best to meet customers’ requirements.

Prototyping service also available for other ceramics material

Boron Nitride

Pyrolytic boron nitride

Silicon Carbide (98% 99.5%)

Silicon Nitride

Boron Carbide

Zirconia

Packaging:
Our Alumina bushing is carefully handled to prevent damage during storage and transportation and to preserve the quality of our product in its original condition.



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