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99% Al2O3 Alumina Ceramic Insulator Anti Corrosion 3.6-3.9g/Cm3 For HVDC Contactor

  • 99% Al2O3 Alumina Ceramic Insulator Anti Corrosion 3.6-3.9g/Cm3 For HVDC Contactor
Place of Origin Hunan,China
Brand Name Antaeus
Certification /
Model Number AD-K033
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
Chemical Ingredients Al2O3 Max. Use Temp. 1650℃
Bulk Density 3.6g/cm3-3.9g/cm3 Water Absorption 0%
ROHS Hardness ≥85 Flexural Strength 358(52) - 550 Mpa(psix10^3)
Compressive Strength 2068(300) - 2600(377) Mpa(psix10^3) Coefficient Of Thermal Expansion 7.6 - 8.2 / 1X10^-6/℃
Coefficient Of Thermal Conductivity 16-30.4 / W/m.K Thermal Shock Resistance 250℃
Dielectricity Constant 9-9.7 / 1MHz.25℃ Dielectric Strength 8.3(210) - 8.7(220) / Ac-kV/mm(ac V/mil)
Volume Resistivity >10^13 Ohm-cm
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Anti Corrosion Alumina Ceramic Insulator

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HVDC Contactor Alumina Ceramic Insulator

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99% Al2O3 Advanced Technical Ceramics
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Product Description

3.6-3.9g/Cm3 Technical Ceramic Parts Aluminum Oxide Insulator For HVDC Contactor

 

1. Description:

Electric vehicles (EV) uses traction motors for moving force. These vehicles may be powered through off-vehicle batteries or may contain an electrical battery, fuel cells, or solar panels to convert fuel to electricity. This technology was introduced in the 19th century and for years it has been used to power trains. In modern times, with the increased focus on renewable energy and reducing carbon footprints, electric cars have come to the spotlight. 

2. Feature Advantages:

1) High compressive strength.

2) Anti corrosion

3) Abrasion resistance

4) Impact resistance

5) High precision

 

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

99% Al2O3 Alumina Ceramic Insulator Anti Corrosion 3.6-3.9g/Cm3 For HVDC Contactor 0

 

6. Application Fields:

New energy vehicles, charging piles, solar power generation, energy storage and power storage system, electric vehicle power system and so on.

99% Al2O3 Alumina Ceramic Insulator Anti Corrosion 3.6-3.9g/Cm3 For HVDC Contactor 1

 

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

99% Al2O3 Alumina Ceramic Insulator Anti Corrosion 3.6-3.9g/Cm3 For HVDC Contactor 2

 

8. Detection Devices:

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

99% Al2O3 Alumina Ceramic Insulator Anti Corrosion 3.6-3.9g/Cm3 For HVDC Contactor 3

9. Order Flow Steps as belows: Inquiry ---Quotation --- Place an order --- Production --- Delivery

99% Al2O3 Alumina Ceramic Insulator Anti Corrosion 3.6-3.9g/Cm3 For HVDC Contactor 4

 

 

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

99% Al2O3 Alumina Ceramic Insulator Anti Corrosion 3.6-3.9g/Cm3 For HVDC Contactor 5

11. Shipping and Package:

99% Al2O3 Alumina Ceramic Insulator Anti Corrosion 3.6-3.9g/Cm3 For HVDC Contactor 6

12. Our aimed market:

99% Al2O3 Alumina Ceramic Insulator Anti Corrosion 3.6-3.9g/Cm3 For HVDC Contactor 7

 

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

 

Tags:

ISO9001 Ceramic Housing

HVDC Relay ceramic case

High Hardness Alumina Ceramic Insulator