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Alumina Ceramic: High-Performance Industrial Ceramic Material

    Buy cheap Alumina Ceramic: High-Performance Industrial Ceramic Material from wholesalers
     
    Buy cheap Alumina Ceramic: High-Performance Industrial Ceramic Material from wholesalers
    • Buy cheap Alumina Ceramic: High-Performance Industrial Ceramic Material from wholesalers

    Alumina Ceramic: High-Performance Industrial Ceramic Material

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    Brand Name : Dayoo
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    Alumina Ceramic: High-Performance Industrial Ceramic Material

    Alumina Ceramic: High-Performance Industrial Ceramic Material

    Product Introduction
    Alumina ceramic is a new type of ceramic material with α-alumina (Al₂O₃) as the main crystal phase, produced using advanced powder metallurgy processes. It exhibits excellent characteristics such as high temperature resistance, corrosion resistance, high strength, high hardness, and good insulation properties. By precisely controlling raw material purity and sintering processes, various specifications of products with alumina content ranging from 85% to 99.99% can be prepared to meet application requirements in different industrial fields.

    Main Applications

    • Electronics and electrical industry: Insulators, circuit substrates, vacuum switch housings

    • Mechanical industry: Wear-resistant parts, cutting tools, bearings, sealing rings

    • Chemical field: Corrosion-resistant linings, valves, pump components

    • Medical industry: Artificial joints, dental materials, surgical instruments

    • Aerospace: High-temperature structural components, thermal insulation materials

    • Other fields: Textile ceramic parts, laser devices, jewelry accessories

    Product Advantages

    • High hardness: Mohs hardness up to grade 9, second only to diamond

    • High temperature resistance: Long-term service temperature up to 1600℃

    • Corrosion resistance: Resists strong acid and alkali corrosion

    • Good insulation: Volume resistivity >10¹⁴ Ω·cm at room temperature

    • Strong wear resistance: Wear amount only 1/100 of metal

    • Biocompatibility: Non-toxic and pollution-free, FDA certification available

    Technical Parameter Table

    Performance IndicatorTest StandardUnit95% Alumina99% Alumina
    Alumina ContentGB/T 5593%95±0.599±0.5
    Bulk DensityGB/T 2413g/cm³3.653.89
    Flexural StrengthGB/T 4741MPa300380
    Vickers HardnessGB/T 4340.1GPa13.515.2
    Thermal Expansion CoefficientGB/T 5598×10⁻⁶/℃7.26.5
    Thermal ConductivityGB/T 5598W/(m·K)2430
    Dielectric StrengthGB/T 1408kV/mm1518
    Surface RoughnessGB/T 1031Raμm0.40.2

    Production Process

    1. Raw material proportioning: Precise weighing of alumina powder and additives according to formula

    2. Ball milling and mixing: Thorough mixing using planetary ball mill

    3. Spray granulation: Preparation of free-flowing granulated powder

    4. Forming process: Dry pressing, isostatic pressing or injection molding

    5. Sintering process: High-temperature sintering at 1600-1800℃

    6. Precision machining: CNC grinding, polishing, laser processing

    7. Quality inspection: Comprehensive dimensional and performance testing

    8. Packaging and shipment: Shockproof and moisture-proof packaging

    Usage Instructions

    1. Avoid impact and collision during installation to prevent brittle fracture

    2. Consider differences in thermal expansion coefficients when connecting with metal parts

    3. Slow heating and cooling should be used for high-temperature applications to avoid thermal shock

    4. Regularly check surface condition and replace worn parts in time

    5. Use neutral cleaners for cleaning, avoid strong corrosive chemicals

    6. Pay attention to moisture prevention during storage, avoid mixing with hard objects

    After-Sales Guarantee

    • 12-month product quality warranty period

    • Free technical consultation and selection guidance

    • Free replacement for non-human quality problems

    • Emergency orders shipped within 48 hours

    • Provide drawing processing and customization services

    • Establish customer files and regular follow-ups

    FAQ

    1. Q: What is the highest precision that alumina ceramics can be processed to?
      A: Up to ±0.001mm dimensional accuracy, surface roughness Ra≤0.1μm

    2. Q: What is the difference between alumina ceramics and zirconia ceramics?
      A: Alumina has higher hardness, zirconia has better toughness, each has its applicable fields

    3. Q: Can metallization treatment be performed?
      A: Yes, we provide various metallization solutions including molybdenum-manganese method, gold plating, nickel plating

    4. Q: What is the maximum product size that can be produced?
      A: Maximum size up to 500×500mm, special sizes can be customized



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