gore -s hield ? g s5200 emi ga sk et s summary gore-shield ? gs5200 emi gasket is a highly conductive, adhesive-backed, emi gasketing material that is ideally suited for wireless infrastructure and telecommunications applications. gore-shield ? gs5200 emi gaskets can be supplied in die-cut part forms or in slit width rolls. slit width material is ideal for manual peel and stick emi gasketing applications. gore-shield ? gs5200 emi gaskets consist of a nickel-flled ptfe matrix, a conductive pressure sensitive adhesive, and a pet carrier flm (see figure 1). applications emi shielding for wireless infrastructure equipment, telecommunications equipment, in addition to specialized portable electronic devices. design considerations when optimizing a gasket shielding solution, consider the housing design as well as the emi gasket performance. important considerations in the housing design include fatness, surface roughness, material type, rigidity, contact area, tolerance take-up, conductivity, fastener type, and fastener locations. key factors in an emi gasket include softness, tolerance take-up, conductivity (dc resistance), and shielding effectiveness both before and after accelerated life testing (alt). gore application engineers can provide expert design assistance and rapid prototyping for your emi shielding needs. contact gore for additional information. figure 1 ptfe conductive pressure sensitive adhesive pet carrier film features and benefts excellent shielding effectiveness ? excellent reliability through accelerated life testing (alt) ? flame retardant (ul-94 v-0) ? broad temperature range (-45c to 120c) ? years of successful use worldwide ? nominal material properties property value hardness (shore a) 60 density (gm/cc) 1.95 operating temperature range -55c to 125c fire safety rating (ul-94) v-0 electrical properties property value volume resistivity (25% compression, ag electrodes) 0.04 ohm-cm (without adhesive) shielding effectiveness (with adhesive) > 90 db (arp 1705 method)
gore -s hield ? g s5200 emi ga sk et s jk060405-01 rev. 4-14-10 w. l. gore & associates, inc. gore-shield, gore and designs are trademarks of w. l. gore & associates, inc. ? 2010 w. l. gore & associates, inc. north america 1 (800) 445-gore (4673) europe +49 9144 6010 +44 1382 561511 international 1 (302) 292 5100 china: beijing +86 10 6408 8060 china: shanghai +86 21 6247 1999 china: shenzhen +86 755 8359 8262 gore.com/emi more international phone numbers can be found at gore.com/phone japan +81 3 3570 8712 korea +82 2 393 3411 taiwan +886 2 8771 7799 singapore +65 6 733 2882 rohs status rohs material* pass/fail lead (pb) content pass cadmium (cd) content pass hexavalent chromium (cr6) content pass mercury (hg) content pass bromine compounds pass *w. l. gore & associates declares that we do not intentionally add substances listed in directive 2002/95/eu to gore-shield ? gs5200 emi gasket material. independent lab tests have been performed and results are available upon request. shielding effectiveness after repeated opening and closure of seal 140 120 100 80 60 40 20 0 0 2 4 6 8 10 12 number of closures shielding effectiveness, db test equipment limit tested in accordance with arp 1705 (mod) at 1 ghz. shielding effectiveness through accelerated life testing (alt) 120 100 80 60 40 20 0 0 50 100 150 200 250 300 number of cycles (?55c to 85c) shielding effectiveness, db tested in accordance with arp 1705 (mod) at 1 ghz. thickness options (nominal) inch mm 0.015 0.38 0.024 0.61 0.030 0.76 0.048 1.22 0.060 1.52 0.078 1.98
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