Steatite Ceramics
Company Profile
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 routine 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.
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 | - | |||||
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:
High mechanical strength High dielectric strength
High voltage resistance Low Sintering Temperature
Other Products of Ultronic Ceramic