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Feedthrough Metallized Ceramics Components for Industrial Vacuum Electrical Tight Hermetic Sealing
Feedthrough Metallized Ceramics Components for Industrial Vacuum Electrical Tight Hermetic Sealing
Specifications
Brand Name :
YH
Certification :
ISO,CE,ROHS
Place of Origin :
CHINA
MOQ :
10
Price :
Negotiated price
Payment Terms :
L/C,T/T,Western Union
Supply Ability :
10-20000
Delivery Time :
30days
Packaging Details :
By carton or wooden case
Applications :
Electrical insulators, cutting tools, wear parts, biomedical implants
Chemical Composition :
Al2O3 (Aluminum Oxide)
Volume Resistivity :
10^14 Ω·cm
Type :
Metallized ceramic
Corrosion Resistance :
High resistance to chemical attack
Dielectric Strength :
10 to 15 kV/mm
Shape :
Customizable (e.g. rods, tubes, plates)
Purity :
Typically 85% to 99.9%
Flexural Strength :
300 to 400 MPa
Properties :
Electric Insulation
Density :
3.8 to 3.95 g/cm³
Description

Feedthrough Metallized Ceramic Components for Industrial Vacuum Electrical Tight Hermetic Sealing

Metallized ceramic bushings are the reliable choice for mission-critical ceramic-metal connections, offering premium insulation and strong metallurgical bonding.
✅ Low dielectric loss for high-efficiency electrical systems
✅ Precision-engineered metallization for optimal interface performance
✅ Comprehensive size range + custom fabrication capabilities
Semiconductor-Grade Alumina Ceramic Built from ultra-pure aluminum oxide,
our alumina (Al₂O₃) ceramic components meet the strict standards of semiconductor manufacturing.
With exceptional particle control, thermal conductivity, and insulation properties, they excel in UHV systems, wafer processing equipment,
and other high-tech semiconductor applications.

Feedthrough Metallized Ceramics Components for Industrial Vacuum Electrical Tight Hermetic SealingFeedthrough Metallized Ceramics Components for Industrial Vacuum Electrical Tight Hermetic Sealing

Application

Applications:

Feed-through insulators

Power switches

Insulating discs

Traveling wave tubes

Insulator rings and cylinders

Vacuum interrupters

Headers

Windows

High-power receptacles

Power grid tubes

Precipitator products

X-ray tubes

Joining types:

Ceramic + Mo/Mn Metallized + plating Ni

Ceramic + Mo/Mn Metallized + plating Ag

Ceramic + Mo/Mn Metallized + plating Au

Ceramic + printing Ag

* Special types are available according to customer's drawings or samples.
Feedthrough Metallized Ceramics Components for Industrial Vacuum Electrical Tight Hermetic Sealing
Specifications
Mechanical Properties
Properties
Unit
95%Al2O3
99%Al2O3
99.5%Al2O3
Colour
--
White
Yellow
Yellow
Density
g/cm³
3.7
3.85
3.9
Hardness
GPa
13.7
15.2
15.7
Compressive Strength
MPa
2000
2160
2350
Flexural Strength
MPa
280
310
350
Fracture Toughness
MPa・m1/2
3~4
3~4
4.5
Modulus of Elasticity
GPa
320
360
370
Poissons Ratio
--
0.23
0.23
0.23
Thermal Properties
Properties
Unit
95%Al2O3
99%Al2O3
99.5%Al2O3
Maximum Use Temperature
℃(No load)
1650
1650
1650
Thermal Conductivity @ 20°C
W/(m・K)
24
29
32
Thermal Expansion a at 20–400°C
1 x 10-6/°C
7~8
7~8
7~8
Specific Heat
J/(kg・K)
780
790
780
Thermal Shock Resistance
℃(Put in water)
200
200
200
Electrical Properties
Properties
Unit
95%Al2O3
99%Al2O3
99.5%Al2O3
Dielectric Constant
1MHz
9.4
9.9
9.9
Dielectric Strength
V/m
15 x 10 6
15 x 10 6
15 x 10 6
Dielectric Loss
1MHz
4 x 10 -4
4 x 10 -4
4 x 10 -4
Volume Resistivity @ 25°C
Ω・cm
>10 14
>10 14
>10 14
Volume Resistivity @ 500°C
Ω・cm
>10 8
>10 8
>10 10
Various Types of Metallized Alumina Ceramic
We Can Do OEM and 0BM According to Your Drawing and Requirements.
Feedthrough Metallized Ceramics Components for Industrial Vacuum Electrical Tight Hermetic Sealing

Ceramic-to-Metal brazing components are widely used in electrical engineering due to their good performance

for high-vacuum, high-voltage and high-pressure applications. We manufacture a large range of metalized

ceramic components with the latest technologies in order to meet the needs of our clients. Our metallizing

processes could be customized according to clients’ requirements.

Material :

· Insulator-Glazed Ceramic 95% or 99% Al2O3 (white or pink)

· Feedthrugh – Nickel, Kovar, Copper

· Weld Sheath/Flange-Nickel, Kovar, 304 Stainless Steel

Features:

· Feedthroughs are custom made to specifications that determined by the electrical, temperature, and environmental condition requirements.

· Standard parts are available

Characteristics

· High Abrasion Resistance

· High Mechanical Strength

· Pressures over 10,000 PSI

· High Temperature Usage

· Low Dielectric Loss

· Mass Spectrometer Leak Tested

· High Chemical Stability

Typical Applications:

· Aerospace

· Defense Industries

· Aviation

· Industrial Application

· Nuclear Equipment

Packing
Feedthrough Metallized Ceramics Components for Industrial Vacuum Electrical Tight Hermetic Sealing

Feedthrough Metallized Ceramics Components for Industrial Vacuum Electrical Tight Hermetic Sealing

FAQ
Q1. Do you provide product samples?
Yes, we provide samples subject to availability. A nominal sample fee may apply in some cases, and shipping costs are borne by the customer.
Q2. What are your accepted payment methods?
We accept T/T (bank transfer) in advance, Western Union, Alipay, and PayPal.
Q3. What is your typical delivery lead time?
Lead times vary depending on product requirements, including material selection, dimensions, and specific manufacturing processes.
Q4. Do you perform quality inspection before shipment?
Yes, we conduct 100% inspection of all goods prior to delivery to ensure they meet specified standards.
Q5. What other ceramic materials do you offer?
We supply a range of advanced ceramic materials, including Alumina, Zirconia, Aluminum Nitride,Boron Nitride, Silicon Nitride, Machinable Glass Ceramic, and related specialized ceramic

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Feedthrough Metallized Ceramics Components for Industrial Vacuum Electrical Tight Hermetic Sealing

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Product Detail
Brand Name :
YH
Certification :
ISO,CE,ROHS
Place of Origin :
CHINA
MOQ :
10
Price :
Negotiated price
Payment Terms :
L/C,T/T,Western Union
Contact Supplier
Feedthrough Metallized Ceramics Components for Industrial Vacuum Electrical Tight Hermetic Sealing

Hunan Yuanhong New Materials Co.,Ltd

Verified Supplier
1 Years
hunan, changsha
Since 2016
Business Type :
Manufacturer
Main Products :
Alumina Ceramic Disc, Alumina Ceramic Tube, Zirconia Ceramic Bead
Total Annual :
10000000-30000000
Employee Number :
80~100
Certification Level :
Verified Supplier
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