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Jinghui Industry Ltd.

High Precision Glazed Alumina Metallized Ceramic Sleeve
High Precision Glazed Alumina Metallized Ceramic Sleeve
High Precision Glazed Alumina Metallized Ceramic Sleeve

High Precision Glazed Alumina Metallized Ceramic Sleeve

Payment Type: L/C,T/T,Paypal,Western Union
Incoterm: FOB,CFR,CIF,EXW,FCA,CPT,CIP
Min. Order: 1000 Piece/Pieces
Delivery Time: 30 Days

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Basic Info

    Model No.: Customized

    Material: Min. 95% Alumina

    Color: Pure White

    Type: Ceramic Sleeve

    Metallization Type: Mo/Mn ,W Optional

    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

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 Precision Glazed Alumina Metallized Ceramic Sleeve

Alumina metallized ceramic sleeves are widely used in many vacuum interrupting devices, such as gas discharge tube, vacuum thyristors,surge arresters, current feedthrus and so on, We have prototyping to mass production capability with our in-house comprehensive production line.

We are capable of offering high precision metallized ceramic sleeves via variety of fine grinding, CNC machining, cutting processes. The finest tolerance can be +/-0.001 for length, +/-0.005 for inner and outer diameter.

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

1. Raw ceramic + Mo/Mn metallization 2. Raw ceramic + Ag plating 3. Raw ceramic + W metallization + Au plating 4. Raw ceramic + Mo/Mn metallization + Ni plating

Metallized ceramic isolator

Technical Key Parameters of Metalized Ceramics

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

Features of metalized ceramic insulators

● 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

Typical application of metalized ceramic tube

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

Surge arresters,Thyristor housings,Diode housings,Power grid tubes,Insulator rings and cylinder,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 Alumina Metallized Ceramic Sleeve Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Small Size Metallized Ceramic Sleeve are quality guaranteed. We are China Origin Factory of Ceramic Metallized Sleeve. If you have any question, please feel free to contact us.

Product Categories : Metallized ceramics > Metallized Ceramic Tube

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