1267 Tape Embossed Aluminum Foil Data Sheet Product Description Applications 3M 1267 Tape consists of an embossed 1- 3M 1267 Tape is typically used for ounce deadsoft aluminum foil backing and an applications requiring excellent electrical aggressive pressure-sensitive acrylic adhesive. conductivity from the application substrate The edges of the embossed pattern pressed through the adhesive to the foil backing. into the foil cut through the adhesive layer to Common uses include grounding and EMI establish reliable metal-to-metal contact shielding in equipment, components, shielded between the backing and the application rooms, etc. substrate. Shielding Effectiveness Embossed deadsoft 1-ounce aluminum foil backing Many factors determine the true shielding Conductivity through the adhesive effectiveness of a shielding tape, including Supplied on a removable liner for easy type and thickness of foil, adhesive type, handling and diecutting intimacy of contact, smoothness of application surface, strength and frequency of the EMI Like all 3M shielding tapes, 3M 1267 is signal, etc. However, using standard tests and available in standard and custom widths and fixtures, it is possible to determine a value for lengths. Standard length is 18 yards. the attenuation. For 3M 1267 Tape, typical shielding Widths from 1/4 to 23 effectiveness (far field) is in the range of 55dB Longer lengths up to several times normal to 80dB (30 MHz to 1 GHz). length, dependent upon width. Check with Customer Service. Properties Typical Values Backing thickness 2.0 mil (0,05mm) Total thickness (backing plus adhesive) 5.0 mil (.127mm) 1 Breaking strength 20 lb./in (35 N/10mm) 1 Adhesion to steel 35 oz/in (3,8 N/10mm) 2 Electrical resistance through adhesive 0.005 ohm 3 Flame retardancy Pass Footnote: 1. Test method ASTM D 1000 2 2 2. MIL-STD-202 Method 307 maintained at 5 psi (3,4 N/cm ) measured over 1 in surface area. The edges of the embossing pattern in the foil backing penetrate through the nonconductive adhesive to make metal-to-metal contact with the application substrate. 3. UL-recognized for flame retardancy per UL 510, Product Category 0ANZ2, File E17385.3M is a trademark of 3M. Important Notice The statements contained herein are made in lieu of all All statements, technical information and recommendations warranties, expressed or implied, including but not limited to related to the Sellers products are based on information the implied warranties of merchantability and fitness for a believed to be reliable, but the accuracy or completeness particular purpose which warranties are hereby expressly thereof is not guaranteed. Before utilizing the product, the disclaimed. user should determine the suitability of the product for its intended use. The user assumes all risks and liability SELLER SHALL NOT BE LIABLE TO THE USER OR ANY whatsoever in connection with such use. OTHER PERSON UNDER ANY LEGAL THEORY, INCLUDING BUT NOT LIMITED TO NEGLIGENCE OR Any statements or recommendations of the Seller which are STRICT LIABILITY, FOR ANY INJURY OR FOR ANY not contained in the Sellers current publications shall have DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR no force or effect unless contained in an agreement signed CONSEQUENTIAL DAMAGES SUSTAINED OR by an authorized officer of the Seller. INCURRED BY REASON OF THE USE OF ANY OF THE SELLERS PRODUCTS THAT WERE DEFECTIVE. Electrical Products Division 6801 River Place Blvd. Austin, TX 78726-9000 800 676 8381 3M 1998