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Ivory Alumina Ceramic Washer 95% AL2O3 Machining Ceramic Material

  • Ivory Alumina Ceramic Washer 95% AL2O3 Machining Ceramic Material
Place of Origin Hunan,China
Brand Name Antaeus
Certification /
Model Number AD-B019
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

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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
Max. Use Temp. 1650℃ Water Absorption 0
ROHS Hardness ≥89 Flexural Strength 550 Mpa(psix10^3)
Compressive Strength 2600(377) Mpa(psix10^3) Coefficient Of Thermal Expansion 8.2 X10^-6/℃
Coefficient Of Thermal Conductivity 17-30.4 W/m.K
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Ivory Alumina Ceramic Washer

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95% alumina ceramic washer

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AL2O3 Machining Ceramic Material
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Product Description

Alumina Seal Ceramic Rings / Industry Insulation Rings

 

1. Description:

Processing of ceramic seal rings:

Molding --- After the base has been prepared, the actual formation of the ceramic components begins. There are several forming processes that manufacturers use to create ceramic parts. These include processes such as slip casting, pressing, extrusion, and injection molding.
For mass production, slip casting works quite well. It’s especially well-suited for complex shapes, thin walls, and sanitary ware. Pressing methods like hot pressing and hot isostatic pressing work best with advanced ceramics. Molding processes like extrusion and injection molding work best in the creation of more simple ceramic mold parts, like pipes and tubes.
 

2. Feature Advantages:

1) Refractory, High Temperature Resistance, Maximum Used Temperature: 1800 ºC (3272ºF)
2) Hardness Strength, Wear Resistance Up To Mohz 9.0 ; HRA 80-90
3) High Voltage, Good Insulation Performance ,Electrical Resistivity Up To 10∧14 Ohm.Cm
4) High Polished Surface Up To Rz0.8(Ra0.1) 
5) Superior Mechanical Strength, MAX 10 MPa.m1/2 Fracture toughness
6) Pressure Resistance, Max 2300MPa compressive strength
7) Anti-High Corrosion Resistance, Such As Acid Alkali Resistance
8) Long Service Life
9) Other excellent property

 

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

Ivory Alumina Ceramic Washer 95% AL2O3 Machining Ceramic Material 0

 

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

Ivory Alumina Ceramic Washer 95% AL2O3 Machining Ceramic Material 1

 

7. Detection Devices:

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

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

Ivory Alumina Ceramic Washer 95% AL2O3 Machining Ceramic Material 3

 

9. Shipping and Package:

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10. Our aimed market: 

Ivory Alumina Ceramic Washer 95% AL2O3 Machining Ceramic Material 5

 

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

Tags:

Al2O3 Alumina Ceramic Rings

Sealed Alumina Ceramic Rings

Al2O3 Insulation Rings