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Customized High hardness F-type left and right suction cup polishing for photovoltaic equipment

  • 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:
  • 01073

  • HaoRui

  • custom01001

 Alumina Ceramic Custom Finishing


F-type left and right suction cup


Alumina ceramics are also known as precision ceramics, special ceramics, structural 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. Currently, alumina ceramics are mainly used in high-tech and cutting-edge industries, such as microelectronics, nuclear reactors, aerospace, magnetic fluid power generation, artificial bone and artificial joints. 

Basic Properties of Alumina Ceramics
Alumina is an excellent high temperature ceramic material due to its high temperature stability. It is one of the most commonly used high grade ceramics. SHENZHEN HAORUI INDUSTRIAL offers alumina ceramics with purity ranging from 95% to 99.5%.

Excellent electrical insulation (1×1014 to 1×1015 Ω cm);
Medium to ultra-high mechanical strength (300 to 630 MPa);
Very high compressive strength (2000 to 4000 MPa);
High hardness (15 to 19 GPA);
Medium thermal conductivity (20 to 30 W/MK);
Low density (3.75 to 3.95 g/cm3);
Operating temperature of 1650°C without mechanical loading;
Biologically inert, food compatible.



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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