Alumina (Al2O3) Ceramic Fasteners

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Alumina (Al2O3) Ceramic Fasteners, crafted from high-performance alumina ceramics, are renowned for their exceptional insulation capabilities and superior heat resistance. Heeger Materials provides top-quality Al2O3 Ceramic Fasteners at competitive prices, offering specialized and customized services based on specific requirements.

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Data sheet

MaterialsAl2O3
Purity95%, 97%, 99%, 99.7%, or customized
Sizecustomized

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Alumina (Al2O3) Ceramic Fasteners, being a superior fine ceramic material, find extensive application across multiple industries for connecting and securing diverse ceramic and metal components. They boast a wide array of exceptional physical and chemical properties, including high hardness, compressive strength, wear resistance, corrosion resistance, insulation performance, and high-temperature stability. These remarkable attributes render them highly suitable for prolonged utilization in high-temperature environments.

Alumina (Al2O3) Ceramic Fasteners

Alumina (Al2O3) Ceramic Fasteners Properties

Composition

UNIT

HM-Al95

HM-Al99

HM-Al997

AL2O3  Content

%

95

99

99.7

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

Coefficient of Thermal Expansion

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

>1014

>1014

>1014

*Customized services can be available according to specific drawings.

Alumina (Al2O3) Ceramic Fasteners Advantages

  • High-temperature resistance
  • Good gear resistance 
  • Good corrosion resistance
  • High hardness
  • Low thermal expansion
  • Low friction coefficient

Alumina (Al2O3) Ceramic Fasteners Applications

  • Aerospace: Used for fastening components in aircraft engines, fuselage structures, and other critical aerospace systems.
  • Semiconductor industry: Used to secure sensitive electronic components, such as integrated circuits (ICs), on printed circuit boards (PCBs) to ensure proper electrical isolation and thermal management.
  • Medical devices: Used in implantable medical devices, dental equipment, surgical instruments, and diagnostic equipment.
  • Energy industry: Used to secure components in gas turbines, steam turbines, solar panels, and fuel cells, where high-temperature stability and corrosion resistance are crucial.
  • Chemical industry: Used to secure pipelines, valves, and reactors that handle harsh chemicals and high-temperature processes.
  • Automotive industry: Used to fasten components in engines, exhaust systems, and braking systems, where high temperatures and mechanical stresses are encountered.

Alumina (Al2O3) Ceramic Fasteners Packing

Alumina (Al2O3) Ceramic Fasteners are carefully packaged with adhesive-free surface protection tape and cardboard boxes to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.

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