Technical Data Sheet Technical Data Sheet TDS062713-LTE70 The Leading Edge in EMI Shielding Technology Techsil Conductive Elastomer LTE-70 Techsil Conductive Elastomer LTE-70 LTE-70 is a Shore A 75 durometer hardness ethylene propylene diene monomer (EPDM) elastomer filled with silver plated aluminum particles as the conductive and shielding media. This material has excellent shielding properties and LTE-70conductivity is a Shore and A 75 durometer hardness ethylene propylene monomer (EPDM) elastomer filledwith with silver is recommended in applications exposed to NBC diene (Nuclear Biological Chemical) wash-downs plated aluminum particles as the conductive and shielding media. This material has excellent shielding properties and DS-2 and LTE-70 has good sealing properties and isto also resistant to steam due to itsChemical) high impermeability elas-with conductivity andSTB. is recommended in applications exposed NBC (Nuclear Biological wash-downs tomer base.LTE-70 LTE-70has hasgood a shelf life of 5-10 years ifand stored in theresistant absence oftomoisture, lighttoand LTE-70 exhibits DS-2 and STB. sealing properties is also steam due its sulfur. high impermeability elastomer base.performance LTE-70 hasinamoderately shelf life corrosive of 5-10 years if stored thehigh absence ofstrength moisture, andresistance. sulfur. LTE-70 excellent environments andinhas physical andlight abrasion exhibits excellent performance in moderately corrosive environments and has high physical strength and abrasion This material can be can supplied as moldedasparts, die cut parts,die select profiles, or as standard sheet Please sheet resistance. This material be supplied molded parts, cutextruded parts, select extruded profiles, or stock. as standard contact Leader Tech for additional information regarding your specific application. stock. Please contact Leader Tech for additional information regarding your specific application. Elastomer: Filler Material: Color: EPDM Silver Plated Aluminum Tan (Custom colors available upon request) Electrical Properties Test Method Volume Resistivity (ohm-cm) (as received) Shielding Effectiveness (db) 20 MHz 100 MHz 600 MHz 2 GHz 10 GHz Max. Typical .010 95 95 95 90 90 MIL-DTL-83528 (Para. 4.5.10) MIL-DTL-83528 MIL-STD-285 (Para. 4.5.12) 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) .020 N/A .020 .010 MIL-DTL-83528 MIL-DTL-83528 (Para. 4.5.15) (Para. 4.5.9) MIL-DTL-83528 (Para. 4.5.13) Max. .020 MIL-DTL-83528 (Para. 4.5.16) 2.2 75 200 200 100 500 400 50 50 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) Maximum Continuous Use Temperature Max. Max. Max. Physical Properties Specific Gravity Hardness (Shore A) Tensile Strength (+/-0.25) (+/-7) (PSI) Elongation (%) Tear Strength Compression Set (PPI) (%) Min. Min. Max. Min. Max. Upper Operating Temp. (0C) Max. +125 Lower Operating Temp Compression Deflection Fluid Immersion (0C) (%) Min. Min. -40 2.5 NS ASTM D1329 ASTM D575 MIL-DTL-83528 (MIL Para. 4.5.14) (MIL Para. 4.5.5) (Para. 4.5.17) SUR=Survivable NS=Not Survivable Performance of conduc�ve elastomers varies from one applica�on to another. Leader Tech, Inc. cannot guarantee that the above specica�ons will be met in your applica�on. If you need assistance in tes�ng your applica�on, please do not hesitate to contact Global EMI Shielding Technology Center Leader Tech for further informa�on. 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 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