High Quality Assured 95 Alumina Ceramic Tube /AL2O3 Ceramic Pipe
Specifications
1.Material:Alumina/zirconia
2.Method of moulding:dry pressing
3.Corrosion resistance
4,Custom design
5,Eco-friendly
Features:
High mechanical strength High dielectric strength
Low loss in high frequency Low gas leakage coefficient
High voltage resistance Good dimension
The ceramic chips widely apply in the electronic component seal because the precise dimension and the insulating ability
Materials Performance
| Item |
Unit | Performance | |||||
Alumina ceramic |
steatite ceramic | |||||||
90% | 92% | 95% | 96% | |||||
Ceramic Body
| Appearance | Colour | - | white,ivory white,brown,black | white,off-white | |||
Mechanical Characters |
Bulk Density | g/cm3 | ≥3.6 | ≥3.65 | ≥3.7 | ≥3..75 | 2.7 | |
Water Absorption | % | 0 | 0 | |||||
Flexural strength | MPa | 280 | 300 | 310 | 320 | 150 | ||
(HV) Hardness | GPa | 12 | 5.8 | |||||
Thermal Characters |
Coefficient of linear thermal expansion | 20℃~800℃ ×10-6mm/℃ | 6.3~7.3 | 6.4~7.4 | 6.5~7.5 | 6.8~7.8 | 8.0 | |
Thermal Conductivity | W/(m.K) | 12 | 16 | 20 | 23 | 2 | ||
Electrical Characters | (1MHz) Dielectric constant(1MHz) | — | 9~10 | 9~10 | 9~10 | 10 | 7.5 | |
Dielectric loss angle | ×10-4 | ≤6 | ≤5 | ≤4 | ≤3 | 8 | ||
Dielectric Strength | KV/mm | 15 | 20 | 24 | 28 | 18 | ||
Metalized Ceramics |
Gas leakage coefficient | Pa.m3/s | ≤10-8 | - | ||||
Volume resistivity | Ω.cm | ≥1015 | - | |||||
Combined strength | MPa | ≥120 | - | |||||
Thickness of Metal | μm | ≥20 | - | |||||
Typical Applications
The metallized ceramics are widely used on the High Vacuum,High Voltage,High Pressure condition.Including:
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
Company Profile
Changsha Ultronic Ceramic Technology Co., Ltd. is located in Changsha City, the capital of Hunan Province. Since its establishment in September 2010, Ultronic has been devoted to manufacturing alumina ceramics and steatite ceramics for electric components and industrial ceramics. Now, we have the forming technologies of hot pressing, dry pressing, injection molding, tape casting, and isostatic pressing. We also have the special process of surface metallization, glazing, and polishing. Our main products include ceramic thermostat housing, ceramic rod, metalized ceramic GDT tube, faucet cartridge ceramic disc, ceramic insulating plate and so on. And we supply to leading companies in respective business, such as and so on.
We have below product categories
Ceramic Substrate
Zirconia Ceramic
Steatite Ceramic Parts
Ceramic Pin/Rod
Ceramic Tube/Ring
Ceramic Lamp Holder
Thermostat Ceramic Parts
Ceramic Faucet Cartridge Discs
Metalized Ceramic Parts