• 3.7g/cm3 High Strength Alumina Ceramic Sealing Parts
3.7g/cm3 High Strength Alumina Ceramic Sealing Parts

3.7g/cm3 High Strength Alumina Ceramic Sealing Parts

Product Details:

Place of Origin: China
Brand Name: CMC
Certification: IATF16949, ISO9001, ISO14001
Model Number: NE125

Payment & Shipping Terms:

Minimum Order Quantity: 2000 pieces
Price: USD 1.25~3.58/pcs
Packaging Details: packing methods is using Plastic film,paper plate and carton
Delivery Time: 15 days
Payment Terms: T/T, Western Union, D/P, D/A, MoneyGram, MoneyGram
Supply Ability: 60,000 pieces per month
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Detail Information

Material: 95% Alumina Color: White, Pink
Application: Electronic Componets Density: 3.7g/cm3
High Light:

Alumina Ceramic Sealing Parts


3.7g/cm3 Sealing Parts


Alumina Ceramic Sealing Components

Product Description

95% Alumina Ceramic Sealed Assembly



1. Description:

  Alumina Ceramic Sealed Assembly is produced with high-purity toughened alumina ceramics and thick-film nickel plating technology. It has high strength and high welding and sealing performance. It is suitable for brazing different materials such as copper and alloys.it is made of material: 95% alumina and made by dry-processing.


2. Applications:

  They are mainly applied in HVDC Relay /contactor.


3. Technical Parameters:


Product Parameters
Physical Property Material 95% Alumina
Production Process Dry Pressing
Product Dimension Per customers' drawing
Density (g/cm3) 3.70-3.75g/cm3
Water Absorption 0%
Mechanical Performance Flexural Strength (Mpa) 310Mpa
Modulus of Elasticity (Gpa) 310Gpa
Hardness (Gpa) 12.9Gpa
Poisson Ratio 0.23
Thermal Character Linear Thermal Expansion Coefficient 7.2
Heat Conductivity (W/mk) 23
Electrical Property Dielectric Constant 9.2
Dielectric Loss Tangent (x10-4) 8
Insulation Strength (x106V/M) 15
Metalized Ceramic Performance Air Tightness (Pa·m3/s) ≤10-8
Bulk Resistivity (Ω·cm) ≥1010 (20°C), ≥106 (300°C)
Bonding Strength (Mpa) ≥120Mpa
Metallization Thickness (μm) ≥20μm

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