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ISO9001 Ceramic Protection Tube Metallized Electrical Hollow Ceramic Tubes

Categories Metallized Alumina Ceramics
Brand Name: Antaeus
Model Number: AD-T002
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.
Product Name: Relay Ceramic Housing / Ceramic Relay Housing
Material: Alumina (Aluminum Oxide, Al2O3)
Insulation Resistance: 1000M Ω(1000VDC)
High Light: Ceramic Relay Housing / / Ceramic Relay
Thermal Shock Resistance room temperature to 850C: will not burst or leak after five operations
Working Temperature: -40℃-125℃
Operate Time: ≤30ms
Release Time: ≤10ms
Shock Resistance Functional: 196m/s² (20G above)
Shock Resistance Destructive: 490m/s²(50G above)
Helium Leak Rate: < 10-9 cc/sec
Tensile Strength, Kovar Cup Method: > 20,000 psi, avg. (138N/mm2)
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ISO9001 Ceramic Protection Tube Metallized Electrical Hollow Ceramic Tubes

Metallized Alumina Ceramic Tube / Metallized Electrical Ceramic Components


1. Description:

Common metalized alumina ceramics consist Molybdenum based paints followed by nickel plating. A coating of molybdenum and manganese particles mixed with glass additives and volatile carriers is applied to the ceramic surface to be brazed. The application of the coating may be hand-painted, sprayed, or robotically applied. After air drying, the coating is fired in a wet hydrogen environment at 1450°–1600°C leaving a “glassy” metallic coating 300–500 micro-inches (7.6–12.7 microns) thick, to ensure high bond strength between the metallized layer and the ceramic base.

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


3. Material Features / Properties:

Composite(wt %)99%99.5%99.8%
ColorWhite or IvoryWhite or IvoryWhite or Ivory
Densityg/cm 33.823.93.92
HardnessHRA838585
Flexural StrengthMpa (psi*10 3 )375386381

4. Technical Parameters:

Technical Parameters of Ceramics
ItemsTest ConditionsUnit or Symbol99% AL2O395% AL2O390% AL2O3ZirconiaSteatiteSilicon 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----PassPassPassPass-
Flexural Strength-MPa≥300≥280≥230≥1100≥120≥400
Elastic Modulus-GPa-≥280≥250≥220-400
Poisson Ratio-  --0.20~0.250.20~0.25---
Thermal Shock Resistance800℃( Room Temperature) Cycle: 10 timesPassPassPass---
Coefficient of Linear Expansion20℃~100℃×10-6 K-1---≤8-
20℃~500℃×10-6 K-16.5~7.56.5~7.56.5~7.56.5~11.2--
20℃~800℃×10-6 K-16.5~8.06.5~8.06.3~7.3-4
20℃~1200℃×10-6 K-1-7.0~8.5----
Coefficient of Thermal Conductivity20℃W/(m·k)-----90~110
1000℃
Dielectric Constant1MHz 20℃-9.0~10.59.0~109.0~10-≤7.5-
1MHz 50℃--9.0~10----
10GHz 20℃-9.0~10.59.0~109.0~10---
Volume Resistivity100℃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 StrengthD.CkV/mm≥17≥15≥15-≥20-
Chemical Durability1:9HClmg/c㎡≤0.7≤7.0----
10%NaOHmg/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:


Notes:Above information only for reference and please contact with us for more details freely when you have any inquiry!

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