96% Alumina Industrial Al2O3 Alumina Ceramic With Heat Resistant
Alumina Ceramic Description :
Alumina Ceramic sheet plays a very important role in Chinese technical ceramics industry. we focus on
providing a better solution for our customers to reduce purchasing cost.
99% Alumina Industrial Al2O3 alumina ceramic with heat resistant Features:
1).Excellent electrical insulation
2).High hardness
3).Relatively low strength and fracture toughness
4).Resistance to wear and corrosive
5).Excellent thermal stability
6).Resistance to high temperatures
7).High electrical resistivity
8) Ceramic parts high precision alumina ceramics with cheap price
.
Reasons to choose ceramic for your parts:
Ceramic parts are used for applications that require wear or corrosion resistance, high temperature capab
ility, or ceramic insulators for electrical resistance.
1. High wear resistance
2. High corrosion resistance
3. Electrical resistance
4. Low thermal expansion
5. High tensile strength
6. Dielectric strength
Porous Ceramic Application :
1. Large power equipment
2. IC MOS tube, IGBT chip heat conducting insulation,
3. high frequency power supply, communication,mechanical equipment,
4. strong current, high voltage, high temperature and other thermal heat insulation parts need products.
Porous Ceramic Specifications :
Regular size and models :
TO-220, 1mm*13mm*19mm
TO - 3P, 1mm*20mm*25mm
TO-264, 1mm*22mm*28mm
TO-247, 0.635mm*17mm*22mm
Other non-standard products , please contact us to provide drawings of your products.
Zirconia /alumina / aluminum nitride can be customized!
Porous Ceramic Property :
| Properties Table |
| Test Item / Unit | Numerical Value | Test Item / Unit | Numerical Value |
| Product Material | Alumina | Zirconia | Product Material | Alumina | Zirconia |
| Component Content(%) | ≥99% | ≥95% | ≥90% | Volume Resistance(cm) | >1012 | >1012 | >1012 |
| Sintering Temp(ºC) | 1780-1800 | 1650-1680 | 1550-2600 | Bending Strength(Mpa) | 400 | 320 | 1100 |
| Specific Gravity(g/cm3) | ≥3.8 | ≥3.6 | ≥6 | Roughness(μm) | ≤0.8 | ≤0.8 | ≤0.8 |
| Breakdown Voltage Strength(kv/mm) | 15 | 15 | 15 | Thermal Expansion Coefficient(*10°) | 6.8-8 | 6.2-8.5 | 6.9-10 |
| Bibulous Rate(%) | <0.01 | <0.01 | <0.01 | Mirror Polished(Ra) | ≤0.05 | ≤0.1 | ≤0.05 |
| Anti Pressure(Mpa) | 3700 | 2400 | 5000 | Thermal Conductivity(W/m-k) | 25 | 20 | 2.5 |
| Hardness(Hra) | ≥88 | ≥82 | ≥88 | Temperature Resistance(ºC) | 1700 | 1600 | 1800 |
Contact Information :
We can make many specifications according to your requests.
Free samples are available , for more information , pls kindly let me .