Insulation 91% High Performance Ceramics Alumina Rod For Oxygen Sensor

Place of Origin Hunan,China
Brand Name Antaeus
Certification /
Model Number AD-R011
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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Product Details
Product Name Alumina Ceramic Insulator Material 91% Aluminum Oxide
Density 3.6g/cm3-5.9g/cm3 Size L:0.5mm-300mm
Working Temperature 1750℃ Application Alumina Ceramic Insulator For Oxygen Sensor
Process Grinding ID 0.5-50mm
OD 0.5-100mm
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Product Description

91% Alumina Ceramic Insulator / Ceramic Insulation Rod For Oxygen Sensor

 

1. Description:

Alumina ceramics withstand higher temperatures than any other ceramic and are highly chemical resistant. Powder is often used in casting processes. Add it to slurries to create custom parts and tools such as crucibles, cutting tools, and laboratory ware.

 

2. Feature Advantages:

1) High elasticity modulus 

2) High compressive strength.

3) Anti corrosion

4) Abrasion resistance

5) Impact resistance

6) High precision

7) High stability

8) High welding sealing performance

9) Satisfy various technical requests

10) Lower medium spoilage

11) Stiffness texture

12) Widely apply for automotive ceramic sensor , ceramic heater ,electric heating

 

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 --- Inspecting --- Packing

Insulation 91% High Performance Ceramics Alumina Rod For Oxygen Sensor 0

 

6. Application Fields:

New energy vehicles, automotive industry, motorcycles, recreational cars, industrial automation, commercial cars and so on.

 

Insulation 91% High Performance Ceramics Alumina Rod For Oxygen Sensor 1

 

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

Insulation 91% High Performance Ceramics Alumina Rod For Oxygen Sensor 2

 

8. Detection Devices:

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

Insulation 91% High Performance Ceramics Alumina Rod For Oxygen Sensor 3

 

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