1181 tape copper foil with conductive adhesive data sheet product description 3m ? 1181 t ape consists of a 1-ounce deadsoft copper foil backing and a unique electrically conductive pressure-sensitive acrylic adhesive. ? deadsoft 1-ounce copper foil backing ? conductive acrylic adhesive ? supplied on a removable liner for easy handling and diecutting like all 3m shielding tapes, 3m 1181 is available in standard and custom widths and lengths. standard length is 18 yards. ? widths from 1/4? to 23? ? longer lengths up to several times normal length, dependent upon width. check with customer service. applications 3m 1181tape is typically used for applications requiring excellent electrical conductivity from the application substrate through the adhesive to the foil backing. common uses include grounding and emi shielding in equipment, components, shielded rooms, etc. the copper foil backing is solderable and resists oxidation and discoloration. shielding effectiveness many factors determine the true shielding effectiveness of a shielding tape, including type and thickness of foil, adhesive type, intimacy of contact, smoothness of application surface, strength and frequency of the emi signal, etc. however, using standard tests and fixtures, it is possible to determine a value for the attenuation. for 3m 1181 t ape, typical shielding effectiveness (far field) is in the range of 60db to 80db (30 mhz to 1 ghz). properties typical values backing thickness 1 1.4 mil (0,04mm) total thickness (backing plus adhesive) 2 2.6 mil (.066mm) breaking strength 1 25 lb./in (44 n/10mm) adhesion to steel 1 35 oz/in (3,8 n/10mm) electrical resistance through adhesive 2 0.005 ohm flame retardancy 3 pass * footnote: 1. test method astm d 1000 2. mil-std-202 method 3 07 maintained at 5 psi (3,4 n/cm 2 ) measured over 1 in 2 surface area. conductive particles in the adhesive provide the electrical path between the application substrate and the foil backing. 3. ul-recognized for flame retardancy per ul 510, product category 0anz2, file e17385.
innovation ja n. 2000 3m united kingdom plc electrical products group hudson road bedford mk41 0hr tel: 01234 268868 fax: 01234 229433 3m ireland electrical products group 3m house, adelphi centre dun loaghaire, co. dublin, ireland tel: (01) 2803555 fax: (01) 2803509 important notice technical information provided by 3m is based on experience and/or tests believed to be reliable, but their accuracy is not guaranteed and the results may not be relevant to every user?s application. for this reason 3m does not accept responsibility or liability, direct or consequential, arising from reliance upon any information provided and the user should determine the suitability of the products for their intended use. nothing in this statement will be deemed to exclude or restrict 3m?s liability for death or personal injury arising from its negligence. all questions of liability relating to 3m products are governed by the seller?s terms of sale subject where applicable to the prevailing law i f any goods supplied or processed by or on behalf of 3m prove on inspection to be defective in material or workmanship, 3m will (at its option) replace the same or refund to the buyer the price paid for the goods or services. except as set our above, all warranties and conditions, whether express or implied, statutory or otherwise are excluded to the fullest extent permissible at law. 3m and scotchcast are trademarks of the 3m company. printed in the uk. ? 3m united kingdom plc, 1999
mouser electronics authorized distributor click to view pricing, inventory, delivery & lifecycle information: 3m: ? 1181-3/8"x18yd? 1181-3/4"x18yd? 1181-7.7x10? 1181-2"x18yds
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