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| Supplier: | Yixing Shenxing Technology Co., Ltd. |
|---|---|
| Price: | Negotiable |
| Min Order: | 1 |
| Quantity:: | |
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| Markets: | North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
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| Name | Unit | Alumina | ||
| Content | % | ≥ 95 | ≥ 99 | ≥ 99.7 |
| Density | g/cm 3 | 3.65 | 3.80 | 3.90 |
| Hardness (Hv0.5) | GPa | 13.1 | 15.0 | 17.1 |
|
flexural strength |
MPa≥ | 340 | 310 | 370 |
| Elasticity | GPa | 300 | 330 | 350 |
|
Poisson' s ratio |
0.23 | 0.23 | 0.23 | |
| Max Tem. | c≥ | 1400 | 1750 | 1800 |
| Heat expansion | × 10 -6 /c(40-800c) | 7.8 | 8.0 | 8.0 |
|
Thermo conductivity |
W/m· K( 20c) | 22 | 28 | 31 |
| Thermal Resistance | c | 200 | 200 | 230 |
|
dielectric strength |
V/m | 15× 10 6 | 15× 10 6 | 15× 10 6 |
|
dielectric phase angle (1MHz) |
× 10 -4 | 4 | 2 | 1 |
| SIC(1MHz) | 9.2 | 9.8 | 9.9 | |
|
Nitric Acid (60%)90 c |
WT Loss mg/cm 2 /day≤ | 0.12 | 0.10 | 0.05 |
|
Sodium hudroxide (30%)80 c |
WT Loss mg/cm 2 /day≤ | 0.53 | 0.26 | 0.04 |
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