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99.7% Aluminium Oxide Ceramic Wheel roller industrial ceramic wheel custom processing according to the picture shenzhen factory

  • 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:
  • 01065

  • HaoRui

  • custom01001

99 Alumina Ceramic Custom Finishing


Alumina Ceramic custom processing according to the drawing


Aluminum oxide ceramic wheels are highly durable and versatile tools used in various industrial applications, particularly in cutting, grinding, and polishing processes. They are composed of a combination of aluminum oxide, a hard and abrasive mineral, and ceramic materials, which provide strength and resistance to wear and heat.


Aluminum oxide ceramic wheels offer several advantages over traditional abrasive wheels. They are known for their exceptional hardness and sharpness, allowing them to cut through tough materials efficiently. Additionally, they generate less heat during operation, reducing the risk of thermal damage to the workpiece. These wheels also have a longer lifespan compared to conventional abrasives, resulting in reduced downtime and increased productivity.


Due to their versatility, aluminum oxide ceramic wheels are widely used in various industries, including metalworking, automotive, construction, and aerospace. They are particularly suitable for cutting, grinding, and polishing hard metals, such as stainless steel, titanium, and hardened steel. They can also be used on non-metallic materials, such as ceramics, glass, and composites.


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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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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