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Abrasion Resistant Alumina Ceramic Rings Industrial Seal Rings
| Place of Origin | Hunan,China |
|---|---|
| Brand Name | Antaeus |
| Certification | / |
| Model Number | AD-B008 |
| 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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Whatsapp:0086 18588475571
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xProduct Details
| Product Name | Metallized Alumina Ceramic Rings / Ceramic Insulators For Battery | Material | Alumina (Aluminum Oxide, Al2O3) |
|---|---|---|---|
| Insulation Resistance | 1000M Ω（1000VDC) | Thermal Shock Resistance Room Temperature To 850C | Will Not Burst Or Leak After Five Operations |
| Max. Use Temp. | 1650℃ | Water Absorption | 0 |
| ROHS Hardness | ≥89 | Flexural Strength | 550 Mpa(psix10^3) |
| Compressive Strength | 2600(377) Mpa(psix10^3) | Coefficient Of Thermal Expansion | 8.2 X10^-6/℃ |
| Coefficient Of Thermal Conductivity | 17-30.4 W/m.K | ||
| Highlight | Abrasion Resistant Alumina Ceramic Rings,Industrial Alumina Ceramic Rings,Alumina Ceramic industrial seal rings |
||
Product Description
Alumina Ceramic Rings / Industry Seal Rings
1. Description:
Alumina ceramic rings can generally be cleaned by boiling with dilute HCl to ensure material purity and high temperature resistance. The material has high density and good oxidation resistance. It is 400-500 degrees higher than graphite materials, up to 900 degrees, and has a long service life. It has high heat resistance, low thermal expansion coefficient, good thermal shock resistance and good corrosion resistance. The chemical performance is stable, and basically does not react with the molten metal, which improves the purity of the alloy.
Arc alumina ceramic crucible, square alumina ceramic crucible, alumina corundum ark (rectangular alumina ceramic crucible), straight (cylindrical) alumina ceramic crucible and various special-shaped alumina ceramic crucibles. It is suitable for various laboratories, laboratories, metal and non-metal sample analysis and melting materials and various industrial analysis.
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
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 --- Printing --- Nickel Plating --- Assembing --- Brazing --- Inspecting --- Packing
6. Production Facilities: Prilling Tower , Forming Machine , High Temperature Sintering Kiln
7. Detection Devices:
Electric Performance Tester , Film Thickness Analyzer , Granulometer , Helium Mass Spectrometer Leak Detector , Universal Pull Force Meter
8. Our advantages: Quality Assurance ; Price Competitive ; Factory Supply Directly ; Good Service
9. Shipping and Package:
10. 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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