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High-Purity Alumina Ceramic Parts for Industrial Applications

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Type:
Alumina Ceramic Parts
Material:
Alumina
Application:
Industrial Ceramic
Properties:
Electric Insulation
Thermal Expansion Coefficient:
8.5 X 10^-6 /K
Chemical Resistance:
Excellent
Wear Resistance:
Excellent
Mechanical Strength:
High
Size:
Customized
Dielectric Constant:
9.8
Purity:
96%,99%
Dielectric Strength:
14 KV/mm
Applications:
High Temperature And High Voltage Electrical Insulators, Wear-resistant Components, Cutting Tools, Biomedical Implants
Corrosion Resistance:
Excellent
Maximum Use Temperature:
1600°C
Shape:
Cylinder
Flexural Strength:
350 MPa
Thermal Conductivity:
35 W/mK
Elastic Modulus:
380 GPa
Materials:
92% Alumina Powder
Dimensional Tolerance:
±0.001 Mm
Transparency:
Opaque
Density:
3.9 G/cm3
Melting Point:
2040°C
Hardness:
9 Mohs
Compressive Strength:
2000 MPa
Type:
Alumina Ceramic Parts
Material:
Alumina
Application:
Industrial Ceramic
Properties:
Electric Insulation
Thermal Expansion Coefficient:
8.5 X 10^-6 /K
Chemical Resistance:
Excellent
Wear Resistance:
Excellent
Mechanical Strength:
High
Size:
Customized
Dielectric Constant:
9.8
Purity:
96%,99%
Dielectric Strength:
14 KV/mm
Applications:
High Temperature And High Voltage Electrical Insulators, Wear-resistant Components, Cutting Tools, Biomedical Implants
Corrosion Resistance:
Excellent
Maximum Use Temperature:
1600°C
Shape:
Cylinder
Flexural Strength:
350 MPa
Thermal Conductivity:
35 W/mK
Elastic Modulus:
380 GPa
Materials:
92% Alumina Powder
Dimensional Tolerance:
±0.001 Mm
Transparency:
Opaque
Density:
3.9 G/cm3
Melting Point:
2040°C
Hardness:
9 Mohs
Compressive Strength:
2000 MPa
High-Purity Alumina Ceramic Parts for Industrial Applications
Alumina Ceramic - Premium Industrial Material with Exceptional Chemical Resistance
Product Specifications
Attribute Value
Type Alumina Ceramic Parts
Material Alumina
Application Industrial Ceramic
Properties Electric insulation
Thermal Expansion Coefficient 8.5 x 10-6 /K
Chemical Resistance Excellent
Wear Resistance Excellent
Mechanical Strength High
Size Customized
Dielectric Constant 9.8
Purity 96%, 99%
Dielectric Strength 14 kV/mm
Applications High temperature and high voltage electrical insulators, wear-resistant components, cutting tools, biomedical implants
Corrosion Resistance Excellent
Maximum Use Temperature 1600°C
Shape Cylinder
Flexural Strength 350 MPa
Thermal Conductivity 35 W/mK
Elastic Modulus 380 GPa
Materials 92% Alumina Powder
Dimensional Tolerance ±0.001 mm
Transparency Opaque
Density 3.9 g/cm3
Melting Point 2040°C
Hardness 9 Mohs
Compressive Strength 2000 MPa
Manufacturing Process
Our high-performance alumina ceramic is produced through precise engineering and controlled processes to achieve optimal purity, density, and microstructure:
  1. Powder Preparation
    • High-purity Al₂O₃ powder (typically 99.5%+ purity) synthesized via Bayer process or chemical precipitation
    • Optimized particle size distribution (submicron to a few microns) to enhance sintering activity
  2. Forming Techniques
    • Dry Pressing: Suitable for simple shapes; powder compacted under high pressure (50-200 MPa)
    • Isostatic Pressing (CIP/HIP): Uniform compaction for complex geometries using hydrostatic pressure
    • Injection Molding: For intricate parts; Al₂O₃ powder mixed with binders, molded, and debound
    • Slip Casting: Used for thin-walled components; aqueous slurry poured into porous molds
  3. Sintering
    • Fired at 1500-1800°C (depending on purity) in air or controlled atmospheres
    • Densification occurs via solid-state diffusion, achieving >98% theoretical density
    • Grain growth is carefully managed to balance strength and toughness
  4. Post-Processing
    • Precision machining (laser cutting, grinding) for tight tolerances
    • Surface treatments (polishing, coating) to enhance functionality
Advanced manufacturing variants include:
  • Hot Pressing (HP) or Spark Plasma Sintering (SPS) for nanocrystalline structures
  • Additive Manufacturing: Emerging technology for customized ceramic components
This rigorous production process ensures our alumina ceramics meet the most demanding applications in aerospace, semiconductors, and biomedical fields.
Product Images
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