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Custom Ceramic Structural Parts Alumina Ceramic Block Insulator Base

Alumina ceramics have the following characteristics:
  • 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:
  • 01009

  • HaoRui

  • custom 01009

The Most Well-known Oxide Ceramic Material


Customized machining 99% al2o3 ceramic parts

This 99% alumina material is an excellent choice for medical applications where the product needs to withstand exposure to acidic or caustic environments. 

The lack of porosity of this material mean it can be polished to a very high surface finish and its chemical resistance mean this is an excellent material for the manufacture of products used within medical or analytical instrument applications.


Featuring:

  • Small grain size

  • High density

  • High strength

  • Non-porous material

  • Chemically resistant


Characteristics:

  • 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.


The material Properties 


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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Founded in June 2006, Shenzhen Haorui IndustriaI Technology Co.,Ltd. is a professional enterprise engaged in R&D, manufacturing and sales of non-standard industrial ceramics, hard alloys (tungsten steel) and various metal and non-metal precision machinery parts.

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