High Frequency and Voltage Resistance Steatite Ceramics
Steatite ceramic(high frequency porcelain, strengthen porcelain, magnesia porcelain), which main component is Mgo-SiO2, Steatite ceramic of white color, strong acid, insulation, strong adsorption capacity, it is a good
device for ceramic materials which can be used as electronic products coil skeleton, installation plate,
a bracket, a variety of types of high frequency insulators, dial switch ceramic shaft, porcelain bushing, resistance matrix, and a sealed casing etc.
Steatite ceramic(high frequency) with good performance insulation, good chemical stability and high compressive strength.
Features:
1.High mechanical strength
2.High dielectric strength
3.High voltage resistance
4.Low Sintering Temperature
Specifications
1.low loss at high frequency. Good insulating , high strength
2..low dielectric constant, Great mechanical strength
3.ISO9001
Materials Performance
| Item |
Unit | Performance | |||||
Alumina ceramic |
steatite ceramic | |||||||
90% | 92% | 95% | 96% | |||||
Ceramic Body
| Appearance | Color | - | 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 |
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 | - | |||||
Company Introduction
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.
Other products of our company.
Alumina Ceramic Part Introduction:
Ceramic parts provides excellent high temperature resistance, size stability, electric insulation, thermal shock resistance, extremely corrosion and wear resistance.
Alumina Ceramic Part Application:
- Furnace process tubes
- Steel tube liners
- Coal handling wear resistance pads
- Thermocouple protection tubes
- Sandblasting nozzles
- Wire drawing dies
- Bushings and caps
- Crucibles
- Tool bits
- Saggers
- Kiln furniture
- Mechanical seals
- Fuel cell parts
- Rollers for hearth furnaces
- Welding nozzles
- Laser parts
- Gas igniters
- Electric insulator
- Ceramic guiders
- Ceramic screwdrivers
- Zirconia oxygen Sensors
- Medical and surgical components