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Metallized Ceramic Insulator Ultronic Made
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 |
- |
|||||
Ceramic metallization by INTA Technologies produces industrial products with exceptionagths. Our thick film metallization inks utilize a Moly Manganese (MoMn) refractory formula that is designed for oxide ceramic substrates. Metallizing materials include a variety of precious metals.
Characteristics:
High mechanical strength High dielectric strength
Low loss in high frequency Low gas leakage coefficient
Low dielectric constant High voltage resistance
Good dimension Convenient soldered
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