Why Choose Sundi For Zirconia Ceramic Parts and Aluminia Ceramic Parts

  • Molding ( Dry Pressing, Injection, Isostatic Pressing)
  • Grinding (Surface Grinding, Cylindrical Grinding, High precision internal grinding)

Grinding can be used to machine various structural characteristics Alumina ceramic parts with complex structure according to different characteristics.

  • CNC Machining (Drilling, Milling, Turning, Honing)
  • Polishing/Lapping
  • Alumina Ceramics
  • Zirconia Ceramics
  • Silicon Nitride Ceramics
  • Silicon Carbide Ceramics
  • Aluminum Nitride Ceramics

 

 

Our advanced facilities can machine various structural characteristics Alumina ceramic parts with complex structure according to different characteristics, we have high volume production for mass or small demands:

    • High precision accuracy possible
    • Great surface finish
    • Dimensional stability and well control

A range of alumina ceramic parts are used in wide application, mold industry for ceramic tools, ceramic punches, position pins, mold parts. Medical instruments for sheer valve. Fluid control with valve sleeve . Semiconductor for flange, holder, roller, plate and Inspection tools.

The industrial ceramic that has great conductivity, higher hardness and higher temperature resistance ,the Ceramics  material are manufactured from bauxite, and we mainly have three molding technology to make the raw material into the shapes :Drying processing , High pressure injection molding ,and Isostatic pressing molding .

Because of the special ceramic technical property ,it’s machining way is not easy as normal machining , By combination of Grinding ,drilling and milling .Since 2019 ,we’ve participated in and provided more than 2000 precision engineering ceramics products to hundred companies .

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Ceramic Parts Show

Al2O3 Parts for Elctronics

Zirconia Ceramic Parts

ZrO2 Parts for Medical

Zirconia Ceramic Parts

Zirconia Ceramic parts

Zirconia Ceramic Parts

Zirconia Ceramic for Energy

Alumina Ceramic Al2O3

Zirconia Ceramic Parts

Zirconia Ceramic ZrO2

Zirconia Ceramic Parts

ZrO2 for Electronics

Silicon Nitride Ceramics

Alumina Ceramic AL2O3

 

Alumina Ceramic material has the features of higher hardness ,higher melting point ,high resistivity ,lower cost ,proper surface activity, great adhesion and resistance to heat shocks ,Alumina ceramic is widely used in abrasive and polishing industry.

 

Mechanical Engineering : Guide Pillar, Guide Sleeve,Sealing Ring, Sealing Sleeve ,Spool valve seat and bearing
New Energy :Power Conveying Equipment
Auto Industry :Catalyst substrate in automobile
Jewelry:Watch Mirror

Alumina Ceramic Parts

Mechanical Characteristics

 Content  unit 95%Al2O3
99%Al2O3 
 Color    White  Faint Yellow
 Density  g/cm  3.7  3.85
 Bending Strength  Mpa  300  310
 Compressive strength  Mpa  2300  2400
 Elastic Modulus  Gpa  320  340
 Fracture Toughness  Mpam  3~4  3~4
 Weber Coefficient  m  12  12
 Vickers Hardness  HV0.5  1400  1600

Thermal Characterics

 Content  unit 95%Al2O3
99%Al2O3 
 Coefficient of line Thermal Expansion  10 K  7~8 7~8
 Thermal Conductivity W/mk   20  29
 Thermal Shock Resistance ▲ T°c   250  200
 Max working temperature   C°  1500  1600

Electrical Characteristics

 Content  unit 95%Al2O3
99%Al2O3 
 Volume Resistance at 20C°  Ωcm  >10 >10
 Dielectric Strength V/m   15x10 15x10
Dielectric Constan πr   9 10
 One MHZ Dielectric Loss Angle at 20°C   Tan  0.0004  0.00002

Zirconia Ceramics ZrO2

 

Zirconia Ceramics material has higher resistivity and bending strength, excellent heat insulation and chemical resistance ,the coefficient expansion of Zirconia ceramic is close to that of metal , Zironia Ceramics are widely used in the mechanical, medical ,new energy auto and 3C industry .

 

Mechanical Engineering : Guide Pillar, Guide Sleeve,Sealing Ring, Sealing Sleeve ,Spool valve seat and bearing.
Medical Instruments : Plunger Ration Pump ,Medical Mould.
New Energy : Cutters
Welding Industry: Welding Heater Filter
Automobile : Zirconia Ceramics Sensor
3C Electronics :Rings ,Tools, Headset .

Zirconia Ceramic Parts

Mechanical Characteristics

 Content  unit ZrO2
 Color    Bright White
 Density  g/cm  6.02
 Bending Strength  Mpa  800
 Compressive strength  Mpa  300
 Elastic Modulus  Gpa  200
 Fracture Toughness  Mpam 8
 Weber Coefficient  m  15
 Vickers Hardness  HV0.5  1200

Thermal Characterics

 Content  unit ZrO2
 Coefficient of line Thermal Expansion  10-8 K -1 10
 Thermal Conductivity W/mk   3
 Thermal Shock Resistance ▲ T°c   300
 Max working temperature   C°  1000

Electrical Characteristics

   unit 95%Al2O3
99%Al2O3 
 Volume Resistance at 20C°  Ωcm  >10 >10
 Dielectric Strength V/m   15x10 15x10
Dielectric Constan πr   9 10
 One MHZ Dielectric Loss Angle at 20°C   Tan  0.0004  0.00002

Silicon Nitride Ceramics SiC SI3N4

 

Silicon Nitride Ceramics has features of high temperature resistance, corrosion resistance, small coefficient of thermal expansion, high thermal conductivity, thermal shock resistance, chemical properties of stability and higher hardness. The Silicon Nitride ceramic parts are widely used in aerospace defense industry ,mechanical engineering, electronics ,automobile industry

 

Mechanical Engineering: Plunger High Pressure Pump, Deep Drawing in Automobile.
New Engineer: Powder Dealing Pump and Valves
Oil Industry: Sealing Ring, Sealing Pump and Valves
Automobile: Heat-resistant Part in automobile engine
Military Defense: Engine Pieces, Ceramic Blade and Bearing

Mechanical Characteristics

   unit ZrO2
 Color    Bright White
 Density  g/cm  6.02
 Bending Strength  Mpa  800
 Compressive strength  Mpa  300
 Elastic Modulus  Gpa  200
 Fracture Toughness  Mpam 8
 Weber Coefficient  m  15
 Vickers Hardness  HV0.5  1200

Thermal Characterics

 Content  unit 95%Al2O3
99%Al2O3 
 Coefficient of line Thermal Expansion  10 K  7~8 7~8
 Thermal Conductivity W/mk   20  29
 Thermal Shock Resistance ▲ T°c   250  200
 Max working temperature   C°  1500  1600

Electrical Characteristics

   unit 95%Al2O3
99%Al2O3 
 Volume Resistance at 20C°  Ωcm  >10 >10
 Dielectric Strength V/m   15x10 15x10
Dielectric Constan πr   9 10
 One MHZ Dielectric Loss Angle at 20°C   Tan  0.0004  0.00002

Chart of Ceramic Parts

Thermal Expansion Rate(%)

Flesural Strength Under Different Temperature

To Lean More About The Process

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