95% Alumina Oxide Ceramics HVDC Contactor Alumina Ceramic Parts For
Hybrid Vehicles
1. Description:
DC
contactors are designed for switching DC current, DC circuit
insolation and circuit protection. High-voltage DC contactors can be widely used in electric
vehicles, hybrid vehicles, fuel cell vehicles, DC charging station,
photovoltaic / wind energy generation systems, cloud server power,
battery charging and discharging systems, UPS, AGVs, golf carts,
Medical equipment, construction equipment and construction
machinery, floor heating systems, DC voltage power control and
mechanical equipment.
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) Good advanced ceramic materials
9) High welding sealing performance
10) High hardness and high density
11) Low thermal conductivity
12) Chemical inertness
13) Good wear resistance
14) High Fracture toughness
15) Good insulation performance
16) High temperature resistance
17) A variety of specifications is available
18) Satisfy various technical requests
19) Lower medium spoilage
20) Stiffness texture
21) 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
6. Application Fields:
New energy vehicles, charging piles, solar power generation, energy
storage and power storage system, electric vehicle power system and
so on.
7. Production Facilities: Prilling Tower , Forming Machine , High
Temperature Sintering Kiln
8. Detection Devices:
Electric Performance Tester , Film Thickness Analyzer ,
Granulometer , Helium Mass Spectrometer Leak Detector , Universal
Pull Force Meter
9. Order Flow Steps as belows: Inquiry ---Quotation --- Place an
order --- Production --- Delivery
10. Our advantages: Quality Assurance ; Price Competitive ; Factory Supply Directly ;
Good Service
11. Shipping and Package:
12. Our aimed market:
Loudi Antaeus Electronic Ceramic Co.,Ltd is one of the leading and advanced ceramic material companies in
China, integrating the design, manufacture and marketing of
electronic ceramics and assemblies. Brand name "Antaeus" is formed
almost 20 years. We specialize in Alumina ceramics, Zirconia
ceramic products. We have developed advanced skills and
technologies. Our products are widely used in for new energy
vehicles,electricity, information, power, automobile and other
fields.
Industrial Ceramics: alumina oxide ceramics, zirconia
ceramics,silicone carbide ceramics, silicon oxide ceramics, special
ceramics, high-frequency ceramics, refractory ceramics, electronic
ceramics, textile ceramics, high purity alumina crucible,
electrical ceramics, etc.
Antaeus strictly complies with ISO9001 quality management system.
Our products are widely used in new energy vehicles power,
aerospace, mining machinery, lift, power, paper making, laboratory,
nonferrous metal processing, electronics processing, textile
machinery and other industries.Our customer base, which includes
many Fortune 500 companies.
Application:
These Advanced technical ceramic components find application in a
number of industries, some of them being sealing technology, pumps,
wire-drawing, battery/ cell manufacturing, sand-blasting, chemical,
electronics, textile, automotive, etc.
Customized are welcome according to your drawings or samples.
FAQs (Frequently Asked Questions)
Q1. Are you a factory or trading company?
A: We are a manufacturer of over 19 years of experience. Welcome to
visit our factory.Factory address is Loudi Economy and
Technological Development Zone,Hunan,China.
Q2: Do you send a sample to check?
A: Sure, sample in stock is free and freight collect.
Q3: When can I get the price?
A: We regularly quote within 24 hours after we get your inquiry. If
urgent ,Please call us or chat online.
Q4:What is your Capacity?
A:300,000 pcs per day;
Q5: Are the ceramics good quality?
A:We have passed the complete quality-control system
ISO9001,IATF16949, ISO14001 and IRIS certification. We have more
than 200 advanced testing equipment and instruments,All the Alumina
ceramics are 100% fully inspected,including IQC, IPQC, FQC, and OQC
process.
Q6:What is the Lead time?
A: About 15-35 days,according to the quantities required;
Q7: Is it available to provide customized products?
A:We can do OEM and ODM.
Notes:please feel free to contact us for more details when you have any inquiry!
Loudi Antaeus Electronic Ceramic Co.,Ltd
Factory address:Loudi Economy and Technological Development
Zone,Hunan,China.
Contact person:Alice Deng
Tel:+8615073852630 (wechat)
Mail: alice@andidz.com
Skype: alicedeng0629
