
SOFT-SHIELD 4850 Electrically Conductive Foam EMI Shielding Gaskets
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Parker Chomerics SOFT-SHIELD® 4000 series PORON® urethane foam gaskets are wrapped in a fabric-reinforced aluminum foil and are ideal for grounding and low closure force EMI shielding applications. SOFT-SHIELD® 4000 is an extremely versatile product, coming in two different levels of foam softness as well as standard length, cut-to-length, and die cut part configurations. It is supplied with an electrically conductive acrylic adhesive, making it a very simple “Peel and Stick” grounding solution for ungrounded metal componentsFeatures and Benefits:• 90 dB shielding effectiveness from 10 MHz to 1 GHz• Low closure force optimum performance• Low compression set (less than 20%)• Available in standard lengths, cut-to-length, die-cut and kiss-cut parts on a polyester release film• Very thin rectangular cross sections available (thickness as small as 0.034 inch)• Can be fabricated into D-subminiature connector gaskets• Choice of UL 94 HB or UL 94 V-0 flammability ratings• No degradation of shielding effectiveness after 10,000 cycles• Low surface resistivity• Excellent adhesion to steel and aluminum Typical Applications:• Grounding panels• Backplane I/O panel• Connector gaskets• Aluminum and Steel enclosures
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