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Jinghui Industry Ltd.

High Purity Alumina Vacuum Ceramic Tube with Metallization
High Purity Alumina Vacuum Ceramic Tube with Metallization
High Purity Alumina Vacuum Ceramic Tube with Metallization
High Purity Alumina Vacuum Ceramic Tube with Metallization

High Purity Alumina Vacuum Ceramic Tube with Metallization

Payment Type: L/C,T/T,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,EXW,FCA,CPT,CIP
Min. Order: 100 Piece/Pieces
Delivery Time: 30 Days

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Basic Info

    Model No.: Customized

    Material: Min. 95% Alumina

    Color: Pure White

    Coating Type: Nickle Plating

    Thickness Of Metallization: 20~40um

    Thickness Of Plating: Thin Or Thick Film Avaiable

    Feature: High Bonding Strength

    Application: Ceramic To Metal Jointing Technology

    Type: Ceramic Tube

    Metallization Type: Mo/Mn

Additional Info

    Packaging: Vacumm packaging with export carton

    Productivity: 50,000pcs/month

    Brand: Jinghui ceramics

    Transportation: Ocean,Land,Air

    Place of Origin: China

    Supply Ability: 200,000pcs/month

    Certificate: RoHS

    HS Code: 8547100000

    Port: Shenzhen Port,Hongkong

Product Description

High Purity Alumina Vacuum Ceramic Tube with Metallization

All our Metallized Ceramics offer exceptional metallized-seal strength and hermeticity which can be welded with a selection of metal components, including Kovar, Copper, Stainless steel and so on.

We could provide a selection of metallization types with in-house complete manufacturing equipment,we are capable of offering high precision Metallized Ceramic Tube via variety of grinding, CNC machining, cutting processes. The finest tolerance can be +/-0.001 for length, +/-0.01 for inner and outer diameter.

Small part-size to large part-size is availability, the min. diameter can be 1 mm, the largest diameter is up to 800 mm.The typical plating as below:

1. Raw ceramic + Mo/Mn metallization 2. Raw ceramic + Mo/Mn metallization + Nickle plating

Technical Key Parameters of vacuum ceramic tube

Leak Rate
1x10-11Pa.m3/s
Metal Layer Tensile Strength
120 Mpa
Volume Resistivity
108Ω•cm
Coefficient of Thermal Expansion
(6.5 ~ 8.0) × 10-6 /°C
Insulation Strength
18kV/mm (DC)
Dielectric Constant
9~10(1 MHz, 20°C)
Cosmetic Quality:1. No cracks, no bubbles; 2. Evenly distributed glaze; 3. No contamination

Features of Metalized Ceramics

● High bonding / brazing strength Low leakage rate High Insulation strengthHigh mechanical strength

Low thermal expansion Resistant to corrosion free of rust ● Min. electric resistance and vacuum tightness

Application of metalized Ceramic Tubes

Widely used in vacuum interrupters, Electron tubes,Gas discharge tube, Vacuum capacitor,Vacuum thyristors,

Surge arresters,Thyristor housings,Diode housings,Power grid tubes,Traveling wave tubes,X-ray tubes and so on.


Main Manufacturing Flow Chat

We have a complete comprehensive of production equipment for Metallized ceramics from shaping to electroplating.

It helps us to make the dimensional consistency very well. Also, helping us to offer a competitive price.

Manufacturing Process for Metallized Ceramics


FAQs( Frequently Asked Questions)

Q 1. Is it available to provide customize products?

A: We could support custom-made demand as per different dimensions, design and metallization and plating.

Q 2. When can I get the price?

A: We regularly quote within 24 hours after we get your inquiry.

Q 3. How long does the whole procedure being worked out?
A: After you place an order, the manufacturing time is about 25 working days.

Q 4. What about the transportation and delivery date?

A: Normally we use Int`l express by our forwarder, or with client`s account number. It is about 3~5 working days.

Q 5. How to ensure the quality?

A: The dimension out of any batch will be carried out sampling inspection per International AQL standard. 100% cosmetic inspection will be done.

Looking for ideal Vacuum Ceramic Tube Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Vacuum Ceramic Tube with Metallization are quality guaranteed. We are China Origin Factory of Vacuum Alumina Ceramic Tube. If you have any question, please feel free to contact us.

Product Categories : Metallized ceramics > Metallized Ceramic Tube

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