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Low Thermal Conductivity 99% Alumina Ceramic Products For Electric Heating
| Place of Origin | Hunan,China |
|---|---|
| Brand Name | Antaeus |
| Certification | / |
| Model Number | AD-A045 |
| 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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xProduct 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 | ||
| Highlight | 99% Alumina Ceramic Products,Electric Heating Alumina Ceramic Products,Low Thermal Conductivity Al2o3 Ceramics |
||
Product Description
High Precision 99 Alumina Ceramic Components Machining Parts
1. Description:
The use of ceramics is as old as the human race. Traditionally, they were molded and shaped into pottery and cast as bricks. The sturdiness and endurance of ceramic materials made them ideal for use in any climate or weather conditions. Modern advanced ceramics have been altered and engineered under exacting laboratory conditions to produce a wide variety of industrial products. The most prevalent of those products is Alumina Ceramics.Alumina Ceramics are the most highly regarded and widely used of the ceramic products. It is non-conductive, resistant to corrosion, and are perfect for electrical insulation. Alumina Ceramic has proven to be the best ceramic for protection of vital electrical components. It can be processed as tubing, sheets, bars, rods, discs, and many other forms depending on the requirements of the project. AH100a Alumina Ceramic is configured to protect high voltage circuits.
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, 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:
Notes:Above information only for reference and please contact with us for more details freely when you have any inquiry!
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