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| Categories | Alumina Ceramic Insulator |
|---|---|
| Brand Name: | Antaeus |
| Model Number: | AD-I012 |
| Certification: | / |
| Place of Origin: | Hunan,China |
| MOQ: | Negotiation |
| Price: | Negotiation |
| Payment Terms: | T/T or Negotiation |
| Supply Ability: | Full Supply |
| Delivery Time: | 15-45 days |
| Packaging Details: | Inner vacuum packaging, outside carton. |
| 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 |
| Company Info. |
| Loudi Antaeus Electronic Ceramic Co.,Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
Alumina Ceramic Insulator /Electrical Insulation Rod For Oxygen Sensor
1. Description:
Mullite can withstand very high temperatures and will not deform or crack when repeatedly exposed to temperature fluctuations. Add it to slurries to create crucibles, ladles, and other parts by casting it. Mullite powder is common in furnaces, heaters, thermocouples, electrical insulation, and glass- and steel-industry refractories. When exposed to chemicals that are used to make steel, such as acid, it will not corrode. Due to fused fabrication, it has higher purity and more uniformity which leads to better thermal shock resistance and low thermal expansion. Choose a particle size based on the application of your finished piece. Finer powders can be processed into finished pieces that will be harder, stronger, and more wear-resistant than those made with coarse grains. They may also have a finer finish. Parts made with coarse grain powders can be processed into pieces that are more porous and thermally shock-resistant than pieces made with finer grains. Mixing sizes can combine these properties.
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:
| 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, automotive industry, motorcycles, recreational cars, industrial automation, commercial cars 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:
Notes:Above information only for reference and please contact with us for more details freely 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
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