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屏蔽是在設(shè)備機(jī)殼接縫部分及孔隙處易泄漏電磁波的地方采用導(dǎo)電材料封閉在軍用(航空航天,電子設(shè)備,手持電話,機(jī)箱加固,雷達(dá),微波波導(dǎo)系統(tǒng))。 民用領(lǐng)域(電信基站、通信機(jī)柜、計(jì)算機(jī)、通用電子裝置和網(wǎng)絡(luò)設(shè)備)廣泛應(yīng)用。
Test items |
Test condition |
Test value |
Standard |
Performance index |
conductive |
Volume resistance /Ω·cm |
0.008 |
MIL-DTL-83528C |
≤0.01 |
Mechanical property |
Tensile strength /MPa |
1.5 |
ASTM D412 |
≥1.38 |
Elongation at break /% |
130 |
≥100 |
||
Anti-aging 100℃×7d |
Volume resistance /Ω·cm |
0.016 |
GB2439-81 |
≤0.02 |
Tensile strength /MPa |
1.4 |
ASTM D412 |
≥1.38 |
|
Elongation at break /% |
110 |