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| Price | Negotiation |
| MOQ | Negotiation |
| Delivery Time | 15-45 days |
| Brand | Antaeus |
| Place of Origin | Hunan,China |
| Certification | / |
| Model Number | AD-B021 |
| Packaging Details | Inner vacuum packaging, outside carton. |
| Payment Terms | T/T or Negotiation |
| Supply Ability | Full Supply |
| Thermal Shock Resistance room temperature to 850C | will not burst or leak after five operations | Coefficient of thermal expansion | 8.2 X10^-6/℃ |
| Place of Origin | Hunan,China | Packaging Details | Inner vacuum packaging, outside carton. |
| Product Name | Metallized Alumina Ceramic Rings / Ceramic Insulators for Battery | Material | Alumina (Aluminum Oxide, Al2O3) |
| Model Number | AD-B021 | Supply Ability | Full Supply |
| High Light | Alumina Ceramic Rings / Metallized Ceramic Insulators / Electrical Ceramic Components | Max. Use Temp. | 1650℃ |
| Certification | / | Brand Name | Antaeus |
| Payment Terms | T/T or Negotiation | Compressive Strength | 2600(377) Mpa(psix10^3) |
| ROHS Hardness | ≥89 | Price | Negotiation |
| Delivery Time | 15-45 days | Minimum Order Quantity | Negotiation |
| Flexural strength | 550 Mpa(psix10^3) | Water absorption | 0 |
| Coefficient of thermal conductivity | 17-30.4 W/m.K | Insulation Resistance | 1000M Ω（1000VDC) |
Alumina Seal Ceramic Rings / Industry Insulation Rings
1. Description:
Processing of ceramic seal rings:
2. Feature Advantages:
1) Refractory,
High
Temperature
Resistance,
Maximum
Used
Temperature:
1800
ºC
(3272ºF)
2) Hardness
Strength,
Wear
Resistance
Up
To
Mohz
9.0
;
HRA
80-90
3) High
Voltage,
Good
Insulation
Performance
,Electrical
Resistivity
Up
To
10∧14
Ohm.Cm
4) High
Polished
Surface
Up
To
Rz0.8(Ra0.1)
5) Superior
Mechanical
Strength,
MAX
10
MPa.m1/2
Fracture
toughness
6) Pressure
Resistance,
Max
2300MPa
compressive
strength
7) Anti-High
Corrosion
Resistance,
Such
As
Acid
Alkali
Resistance
8) Long
Service
Life
9)
Other
excellent
property
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!
