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Customized OEM Metallized Ceramic Insulators for Vacuum Brazing
Material : 96.0% alumina or 99.5% high purity alumina with Mo-Mn Metallization and Nickel plating
- Either CIP or dry press formed bodies with secondary fine-machining
- High precision and good appearance after metalization
- Similiar C.T.E with kovar alloy and high bonding strength after brazing
- Partial glazing is optional for out door use
- Good hermetic sealing result after brazing
- Good insulation, anti-magnetic, static electricity-free character for feedthrough use
- Excellent thermal shock resistance and good thermal stability after brazing
- Anti corrosion & abrasion resistance in harsh working environments
Product Name | Customized OEM Metallized Ceramic Insulators for Vacuum Sealing |
Compositions | 96.0% alumina or 99.5% high purity alumina (Al2O3) |
Metalization | Sintered with Molybdenum & Manganese (Mo+Mn), then Nickel plating |
Mo+Mn Layer | 25 +/-10μm in thickness |
Nickel Layer | 2 -10μm in thickness |
Material Density | 3.90 g/cm3 |
Tolerance | +/- 0.005mm |
Finishing | Ra 0.2 |
Leaking Rate | ≤ 1 x 10-11Pa.m3/s |
Metalization Tensile Strength | ≥150Mpa |
Max. Using Temperature | 1650 oC |
Using Fields | Feedthrough, Thermocouplers, Connectors, Fuel cell, PVD or CVD machines, Semi-conductors, Vacuum Electronics, Traveling Wave Tubes, X-Ray Tubes |



Belows are the Various Standard Alumina Performance Characters Data Sheets
& Various Zirconia Performance Comparison sheets with other ceramic materials






We can provied extrusion, dry press and CIP press forming for ceramics green bodies.
We have many electric sintering furance with different size available for green body sintering use.
Passed the ISO9001:2008 quality system authentication and ROHS authentication.
Our workshops for metallized ceramic insulators production

Packing Details: Individual bubble bag for each metallized ceramic insulator, seaworthy package
Delivery Details: 30 days after purchase order of metallized ceramic insulators was issued
A: We are a professional ceramic factory with exporting office in Shanghai.
A: Generally it is 30 days for our metalized ceramic insulators after your purchase order was issued to us
A: Yes, we could offer the sample of our own metalized ceramic insulators for free, but don't afford freight.
A: Payment<=1000USD, 100% in advance before shipping.
Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have any other question for our ceramic products, pls feel free to contact us as below:
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