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[China]
Trade Verify
Address: Special ceramic industrial park, economy development district
Contact name:Yedda
Hunan Meicheng Ceramic Technology Co., Ltd. |
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Verified Suppliers
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aluminum oxide ceramic sealed connection components
1. Description:
aluminum oxide ceramic sealed connection components is for power battery of EV Cars as one structual components. Sealing performance is very good.It is made of 95 percent aluminum oxide, and features of high temperature resistance,corrosion resistance and long service life.
2. Parameters Shows :
| Product Parameters | ||
| Physical Property | Material | 95% Alumina |
| Production Process | Dry Pressing and Brazing | |
| 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 | |
3.key words
Ceramic seal ring, good quality, bending strength,safety property,uniform texture, good batch stablity, good aur tightness
