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Customised aluminium oxide precision Ultra-Thin Processing Technology round ceramics parts 96 99

  • Very good electrical insulation.
  • Moderate to extremely high mechanical strength.
  • Very high compressive strength.
  • High hardness.
  • Moderate thermal conductivity.
  • High corrosion and wear resistance.
  • Good gliding properties.
  • Low density.
  • Operating temperature without mechanical load 1,000 to 1,700°C.
  • Bioinert and food compatible.
Availability:
Quantity:
  • 01079

  • HaoRui

  • custom01001

 Alumina Ceramic Custom Finishing


Ultra-Thin Processing Technology structure ceramics


Alumina ceramics are also known as precision ceramics, special ceramics, or high-tech ceramics. It is a ceramic with highly selected raw materials, produced according to a special manufacturing process, which can precisely control the chemical composition and has excellent properties. Alumina ceramic can make thin, flat pieces of ceramic material made primarily from aluminum oxide (Al2O3). They are widely used in various electronic applications due to their exceptional properties.


Key Characteristics:

  • High Thermal Conductivity:

    Alumina ceramic substrates exhibit excellent thermal conductivity, enabling efficient heat dissipation from electronic components mounted on them.

  • Electrical Insulation:

    These substrates possess high electrical resistivity, making them suitable for insulating electrical components and preventing short circuits.

  • Mechanical Strength:

    Alumina ceramic substrates are mechanically robust and can withstand high mechanical stresses, vibrations, and shock.

  • Chemical Resistance:

    They are highly resistant to chemicals, solvents, and corrosion, ensuring long-term reliability in harsh environments.

  • Low Thermal Expansion:

    Alumina ceramic substrates have a low coefficient of thermal expansion, minimizing thermal stress on mounted components during temperature changes.



Customised Production:Customised production involves tailoring the manufacturing process to meet specific customer requirements. In the context of aluminium oxide ceramic blind tubes, this may include customising the dimensions, shapes, surface finishes, and other specifications to suit the intended application.

 

Main characteristics: high melting point, high hardness, can be made into transparent ceramics, non-toxic, insoluble in water, high strength.

Main applications: corundum ball mill, lamps for high pressure sodium lamps, crucibles, tap valve cores.


SHENZHEN HAORUI can offer not only qualified products, we can also supplying quality service including design, development, export and after sales. With our professional skills, advanced technology and quality material, we can design and develop new products or new applications according to the clients' expectation.  We have custom-made new products and promoted the specifications for more than 1000 clients, and we have gotten good reputation from our clients.


Properties of Alumina material (Al2O3)


Property
Item
95% Al2O3
99% Al2O3
99.8%Al2O3
Unit
Mechanical Characteristics
Color
White
light yellow
Ivory

Bulk Density
3.7
3.85
3.93
g/cm3
Water Absorption
0
0
0
%
Bending Strength
300
310
370
MPa
Compressive Trength
2,300
2,400
2500
MPa
Elastic Modulus
320
340
390
GPa
Fracture Toughness
3~4
3~4
4
MPa m1/2
Weber Coefficient
12
12
12
m
Vickers Hardness
1,400
1,600
1850
HV 0.5
Thermal Characterics
Coefficient of Line Thermal
Expansion
7~8
7~8
7~8
10-6 K-1
Thermal Conductivity
20
29
32
W/mK
Thermal Shock Resistance
(Put in Water)
250
200
280
ΔT °C
Max Working Temperature
1,500
1,600
1700
°C
Electrical Characteristics
Volume Resistance At 20°C
>1014
>1014
>1014
Ωcm
Dielectric Strength
15×106
15×106
15×106
V/m
Dielectric Constant
9
10
10
εr
One MHZ Dielectric Loss Angle
at 20°C
0.0004
0.0002
0.0001
tanδ
Chemical Characteristics
Nitric Acid (60%) 90°C
0.1
0.1
0.05
24H WT Loss mg/cm2
Sulphuric Acid (95%) 95°C
0.3
0.34
0.22
Caustic Soda (30%) 80°C
0.9
0.95
0.04


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