Technical Data Sheet Technical Data Sheet TDS062713-LTE40 Techsil Conductive Elastomer The Leading Edge in EMI Shielding Technology LTE-40 Techsil Conductive Elastomer LTE-40 LTE-40 is a Shore A 70 durometer hardness fluorosilicone elastomer filled with silver plated aluminum particles as the conductive and shielding media. This material has good shielding properties and conductivity and meets the LTE-40 is a Shore A 70 durometer hardness fluorosilicone elastomer filled with silver plated aluminum particles as requirements of MIL-DTL-83528 type D material. This material has excellent sealing properties at temperature exthe conductive and shielding media. This material has good shielding properties and conductivity and meets the tremes, isofozone resistant and type has a Dlong shelf lifeThis if stored in thehas absence of moisture, and sulfur. provides requirements MIL-DTL-83528 material. material excellent sealinglight properties at LTE-40 temperature good corrosion resistance with aluminum and other substrates. It is recommended for applications where there are dissimextremes, is ozone resistant and has a long shelf life if stored in the absence of moisture, light and sulfur. LTE-40 ilar mating surfaces, the presence of salt fog or in uncontrolled environments. This material can be supplied as provides good corrosion resistance with aluminum and other substrates. It is recommended for applications where molded parts, extruded shapes, die parts, orofassalt standard stock. Pleaseenvironments. contact Leader This Techmaterial for additional there are dissimilar mating surfaces, thecut presence fog orsheet in uncontrolled can be information regarding specific application. supplied as molded parts, your extruded shapes, die cut parts, or as standard sheet stock. Please contact Leader Tech for additional information regarding your specific application. Elastomer: Filler Material: Color: Fluorosilicone Silver Plated Aluminum Tan (Custom colors available upon request) Electrical Properties Test Method Volume Resistivity (ohm-cm) (as supplied) Shielding Effectiveness (db) 20 MHz 100 MHz 600 MHz 2 GHz 10 GHz Max. .012 MIL-DTL-83528 (Para. 4.5.10) MIL-DTL-83528 MIL-STD-285 (Para. 4.5.12) .015 .015 .015 .012 MIL-DTL-83528 MIL-DTL-83528 (Para. 4.5.15) (Para. 4.5.9) MIL-DTL-83528 (Para. 4.5.13) Max. .015 MIL-DTL-83528 (Para. 4.5.16) Min. Min. Max. Min. Max. 2.0 70 180 60 260 35 30 ASTM D792 ASTM D2240 ASTM D412 (MIL Para. 4.5.3) (MIL Para. 4.5.4) (MIL Para. 4.5.6) ASTM D412 (MIL Para. 4.5.6) ASTM D624 ASTM D395 (MIL Para. 4.5.8) (MIL Para. 4.5.7) Max. +160 MIL-DTL-83528 (Table 1-Type D) Min. -55 ASTM D1329 Min. 3.5 SUR ASTM D575 (MIL Para. 4.5.5) MIL-DTL-83528 (Para. 4.5.17) Actual 118 126 124 143 126 Electrical Stability After Heat Aging (ohm-cm) After Break (ohm-cm) During Vibration (ohm-cm) After Vibration (ohm-cm) After Exposure to EMP (ohm-cm) (0.9 KAmp/inch of Perimeter) Max. Max. Max. Physical Properties Specific Gravity Hardness (Shore A) Tensile Strength (+/-0.25) (+/-7) (PSI) Elongation (%) Tear Strength Compression Set (PPI) (%) Upper Operating Temp. (0C) Lower Operating Temp (0C) Compression Deflection Fluid Immersion (%) (MIL Para. 4.5.14) SUR=Survivable NS=Not Survivable 12420 Race Track Rd., Tampa, Florida 33626 866.TECH.EMI (866.832.4364) t 813.855.6921 f 813.855.3291 e do A passion in all w Performance of conduc�ve elastomers varies from one applica�on to another. Leader Tech, Inc. cannot guarantee that the above speci‐ ca�ons will be met in your applica�on. If you need assistance in tes�ng your applica�on, please do not hesitate to contact Leader Tech for Global EMI Shielding Technology Center further informa�on. www.LeaderTechInc.com 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