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MIL-STD-285 PDF预览

MIL-STD-285

更新时间: 2024-02-26 07:27:27
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描述
Techsil Conductive Elastomer

MIL-STD-285 数据手册

  
Technical Data Sheet  
TDS062713-LTE75  
The Leading Edge in EMI Shielding Technology  
Techsil Conductive Elastomer LTE-75  
LTE-75 is a Shore A 45 durometer hardness silicone elastomer filled with silver particles as the conductive and  
shielding media. This material has good shielding properties and conductivity and meets the requirements of MIL-  
DTL-83528 type J. This material also requires a lower compressive force in order to reach the desired state of  
compression. LTE-75 has excellent sealing properties at temperature extremes, is ozone resistant and has a long  
shelf life if stored in the absence of moisture, light and sulfur. LTE-75 exhibits good performance in non-corrosive  
environments. This material can be supplied as molded parts, die cut parts, extruded profiles, or as standard sheet  
stock. Please contact Leader Tech for additional information regarding your specific application.  
Elastomer:  
Filler Material:  
Color:  
Silicone  
Silver  
Tan (Custom colors available upon request)  
Electrical Properties  
Test Method  
Volume Resistivity (ohm-cm)  
(as received)  
Max.  
.010  
MIL-DTL-83528 (Para. 4.5.10)  
Shielding Effectiveness (db)  
20 MHz  
100 MHz  
113  
116  
126  
143  
126  
MIL-DTL-83528 (Para. 4.5.12)  
MIL-STD-285  
Actual  
600 MHz  
2 GHz  
10 GHz  
Electrical Stability  
After Heat Aging (ohm-cm)  
MIL-DTL-83528  
MIL-DTL-83528  
(Para. 4.5.15)  
Max.  
Max.  
.015  
.020  
.015  
.010  
After Break  
(ohm-cm)  
(Para. 4.5.9)  
During Vibration (ohm-cm)  
After Vibration (ohm-cm)  
MIL-DTL-83528  
(Para. 4.5.13)  
Max.  
Max.  
After Exposure to EMP (ohm-cm)  
(0.9 KAmp/inch of Perimeter)  
.015  
MIL-DTL-83528  
(Para. 4.5.16)  
Physical Properties  
Specific Gravity  
(+/-0.25)  
(+/-7)  
1.7  
45  
ASTM D792  
ASTM D2240  
ASTM D412  
(MIL Para. 4.5.3)  
(MIL Para. 4.5.4)  
(MIL Para. 4.5.6)  
Hardness (Shore A)  
Tensile Strength  
(PSI)  
Min.  
Min.  
Max.  
Min.  
Max.  
Max.  
Min.  
Min.  
150  
50  
Elongation  
(%)  
ASTM D412  
(MIL Para. 4.5.6)  
250  
20  
Tear Strength  
(PPI)  
(%)  
ASTM D624  
ASTM D395  
(MIL Para. 4.5.8)  
(MIL Para. 4.5.7)  
Compression Set  
35  
Upper Operating Temp. (0C)  
Lower Operating Temp  
(0C)  
+160  
MIL-DTL-83528 (Table 1-Type J)  
-55  
8.0  
NS  
ASTM D1329  
ASTM D575  
(MIL Para. 4.5.14)  
(MIL Para. 4.5.5)  
Compression Deflection (%)  
Fluid Immersion  
MIL-DTL-83528 (Para. 4.5.17)  
SUR=Survivable NS=Not Survivable  
Global EMI Shielding Technology Center  
12420 Race Track Rd., Tampa, Florida 33626  
www.LeaderTechInc.com  
866.TECH.EMI (866.832.4364) t 813.855.6921 f 813.855.3291  
Performance of conductive elastomers vary from one application to another. Leader Tech, Inc. cannot guarantee that the above specifications will be met in your specific  
application. If you need assistance in testing your application, please do not hesitate to contact Leader Tech for further information.  
Copyright© Leader Tech, Inc. 2013  

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