Hunan Meicheng Ceramic Technology Co., Ltd.
Hunan Meicheng Ceramic Technology Co., Ltd.
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Ceramic Electronic Components for EV Relays and HVDC Contactors, White Porcelain Case for Arc Extinguish
1. Description:
The new energy series ceramics are produced by high purity complex alumina and nano metallization. It is suitable for brazing of different materials such as copper, aluminum and felling.
2. Key Words:
New energy, EV relay, HVDC contactor, Fast acting fusegear, Vacuum interrupter, Power battery cell connector, Arc extinguish,EV vehicles,95% alumina,dry-processing,wear and impact resistant,corrosion resistant, thermal resistant, electronics components, electronic ic chip, pic microcontroller ic, chip in electronics, audio amplifier ic, linear technology ic,8 pin ic chip, integrated circuits ic, intergrated components.
3. Parameters:
| Product Parameters | ||
| Physical Property | Material | 95% Alumina |
| Production Process | Dry Pressing | |
| Product Dimension | Per customers' drawing | |
| Density (g/cm3) | 3.70-3.75g/cm3 | |
| Water Absorption | 0% | |
| Mechanical Performance | Flexural Strength (Mpa) | 310Mpa |
| Modulus of Elasticity (Gpa) | 310Gpa | |
| Hardness (Gpa) | 12.9Gpa | |
| Poisson Ratio | 0.23 | |
| Thermal Character | Linear Thermal Expansion Coefficient | 7.2 |
| Heat Conductivity (W/mk) | 23 | |
| Electrical Property | Dielectric Constant | 9.2 |
| Dielectric Loss Tangent (x10-4) | 8 | |
| Insulation Strength (x106V/M) | 15 | |
| Metalized Ceramic Performance | Air Tightness (Pa·m3/s) | ≤10-8 |
| Bulk Resistivity (Ω·cm) | ≥1010 (20°C), ≥106 (300°C) | |
| Bonding Strength (Mpa) | ≥120Mpa | |
| Metallization Thickness (μm) | ≥20μm | |
