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Al2O3 Alumina Ceramic Rings

  • Al2O3 Alumina Ceramic Rings
  • Al2O3 Alumina Ceramic Rings
Place of Origin Hunan,China
Brand Name Antaeus
Certification /
Model Number AD-B002
Minimum Order Quantity Negotiation
Price Negotiation
Packaging Details Inner vacuum packaging, outside carton.
Delivery Time 15-45 days
Payment Terms T/T or Negotiation
Supply Ability Full Supply

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Whatsapp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

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Product Details
Product Name Metallized Alumina Ceramic Rings / Ceramic Insulators For Battery Material Alumina (Aluminum Oxide, Al2O3)
Insulation Resistance 1000M Ω（1000VDC) Thermal Shock Resistance Room Temperature To 850C Will Not Burst Or Leak After Five Operations
Working Temperature -55℃-55℃ Voltage 12V-600V
Current 50A-800A Flexibility 4000N
Anti-breaking 3000N Helium Leak Rate < 10-9 Cc/sec
Tensile Strength, Kovar Cup Method > 20,000 Psi, Avg. (138N/mm2)
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Al2O3 Alumina Ceramic Rings

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Sealed Alumina Ceramic Rings

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Al2O3 custom ceramic parts
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Product Description

Custom Alumina Ceramic Rings / Sealed Ceramic Connectors for Battery

 

1. Description:

Alumina ceramic ring — Alumina ceramics is a ceramic material with Al2O3 as the main crystal phase. Antaeus can produce ceramic products with an alumina content of 95% to 99.8%. The alumina has a compact structure, low activity, and high-temperature stability. The electrical properties are the best, with good mechanical properties, with a Mohs hardness of 9.

 

 

2. Feature Advantages:

1) Abrasion resistance

2) Impact resistance

3) High stability

4) Good advanced ceramic materials

5) Good wear resistance

6) A variety of specifications is available

 

3. Material Features / Properties:

Composite (wt %) 99% 99.5% 99.8%
Color   White or Ivory White or Ivory White or Ivory
Density g/cm 3 3.82 3.9 3.92
Hardness HRA 83 85 85
Flexural Strength Mpa (psi*10 3 ) 375 386 381

 

4. Technical Parameters:

Technical Parameters of Ceramics
Items Test Conditions Unit or Symbol 99% AL2O3 95% AL2O3 90% AL2O3 Zirconia Steatite Silicon Carbide
Volume Density -- g/cm3 ≥3.70 ≥3.62 ≥3.40 ≥5.90 ≥2.60 ≥3.08
Tightness -- Pa·m³/s ≤1.0×10-11 ≤1.0×10-11 ≤1.0×10-11 - - -
Liquid Permeability -- -- Pass Pass Pass   Pass -
Flexural Strength - MPa ≥300 ≥280 ≥230 ≥1100 ≥120 ≥400
Elastic Modulus - GPa - ≥280 ≥250 ≥220 - 400
Poisson Ratio - 　 - - 0.20～0.25 0.20～0.25 - - -
Thermal Shock Resistance 800℃( Room Temperature) Cycle: 10 times   Pass Pass Pass - - -
Coefficient of Linear Expansion 20℃～100℃ ×10-6 K-1 - - -   ≤8 -
20℃～500℃ ×10-6 K-1 6.5～7.5 6.5～7.5 6.5～7.5 6.5～11.2 - -
20℃～800℃ ×10-6 K-1 6.5～8.0 6.5～8.0 6.3～7.3   - 4
20℃～1200℃ ×10-6 K-1 - 7.0～8.5 - - - -
Coefficient of Thermal Conductivity 20℃ W/(m·k) - - - - - 90～110
1000℃
Dielectric Constant 1MHz 20℃ - 9.0～10.5 9.0～10 9.0～10 - ≤7.5 -
1MHz 50℃ - - 9.0～10 - - - -
10GHz 20℃ - 9.0～10.5 9.0～10 9.0～10 - - -
Volume Resistivity 100℃ Ω·cm ≥1.0×1013 ≥1.0×1013 ≥1.0×1013 - ≥1.0×1012 -
300℃ ≥1.0×1013 ≥1.0×1010 ≥1.0×1013 - - -
500℃ ≥1.0×109 ≥1.0×108 -- - - -
Disruptive Strength D.C kV/mm ≥17 ≥15 ≥15 - ≥20 -
Chemical Durability 1:9HCl mg/c㎡ ≤0.7 ≤7.0 - - - -
10%NaOH mg/c㎡ ≤0.1 ≤0.2 - -- - -
Grain Size - μm - 3~12 - - - -

 

5. Process Flows:

Formulating --- Granulating --- Forming --- Sintering --- Grinding --- Printing --- Nickel Plating --- Assembing --- Brazing --- Inspecting --- Packing

Al2O3 Alumina Ceramic Rings 0

 

6. Production Facilities: Prilling Tower , Forming Machine , High Temperature Sintering Kiln

Al2O3 Alumina Ceramic Rings 1

 

7. Detection Devices:

Electric Performance Tester , Film Thickness Analyzer , Granulometer , Helium Mass Spectrometer Leak Detector , Universal Pull Force Meter

Al2O3 Alumina Ceramic Rings 2

 

 8. Our advantages: Quality Assurance ; Price Competitive ; Factory Supply Directly ; Good Service

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9. Shipping and Package:

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Notes:Above information only for reference and please contact with us for more details freely when you have any inquiry!

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Al2O3 Alumina Ceramic Rings

Sealed Alumina Ceramic Rings

Al2O3 Insulation Rings