3M 1170 Data Sheet

1170 Tape

Aluminum Foil with Conductive Adhesive

Data Sheet

Product Description

3M 1170 Tape consists of a 1-ounce deadsof t
aluminum foi l backing and a unique electri ca l ly
conductive pre ssure- sensitive acrylic adhesive.

• Deadsoft 1-ounce alum i num foi l bac k i ng

• Conductive acrylic adhesi ve

• Supplied on a removable liner for easy
handling and diecutti ng

Like all 3M shielding tapes, 3M 1170 is
available in standa rd and custom widths a nd
lengths. Standa rd length i s 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 1170 Tape is typically used for
applications requir i ng exce l le nt elec tri ca l
conductivi ty from the application substra te
through the adhesi ve to the f oil bac ki ng.
Common uses include grounding and EMI
shielding in equi pme nt, components, shielde d
rooms, etc.

Shielding Effect i ven ess

Many factor s determine the true shielding
effectiveness of a shielding tape, including
type and thickness of f oil, adhesive type,
intimacy of c ontac t, smoothness of
application surface, strength and freque ncy of
the EMI signal, etc. Howeve r, usi ng standard
tests and fixtures, it is possible to determine a
value for the atte nuation.

For 3M 1170 Tape, typical shielding
effectiveness (far field) is in the range of 60dB
to 75dB (30 MHz to 1 GHz).

Properties Typical Values

Backin g thickness 2.0 m il (0 , 05mm)

Total thickness (backing plus adhesive) 3.2 mil (.081mm)

Breaking strength 1 20 lb./in (35 N/10mm)

Adhesion to steel 1 35 oz/in (3,8 N/10mm)

Electrical resistance through adhesive 2 0.010 ohm

Flame re tardancy 3 Pass

* Footnot e: 1. Test method AS TM D 1000

2. MIL-STD-202 Method 307 ma intained at 5 psi (3,4 N/cm

provide the electrical path between the application substrate and the foil backing.

3. UL-recogn ized for flame retardancy per UL 510, Product Category 0ANZ2, File E17385.

2

) measured over 1 in2 surface area. Conductive particles in the adhesive

3M is a trademark of 3M.

Important Notice

All statements, technical information and recommendations
related to the Seller’s products are based on information
believed to be reliable, but the accuracy or completeness
thereof is not guaranteed. Before utilizing the product, the
user should determine the suitability of the product for its
intended use. The user assumes all risks and liability
whatsoever in connection with such use.

Any statements or recommendations of the Seller which are
not contained in the Seller’s current publications shall have
no force or effect unless contained in an agreement signed
by an authorized officer of the Seller. The statements

Electrical Products Division

6801 River Place Blvd.
Austin, TX 78726-9000

800 676 8381

http://www.3m.com/elpd

contained herein are made in lieu of all warranties,
expressed or implied, including but not limited to the implied
warrant ies of mer chantabi lity and fitness for a particular
purpose which warranties are hereby expressly disclaimed.

SELLER SHALL NOT BE LIABLE TO THE USER OR ANY
OTHER PERSON UNDER ANY LEGAL THEORY,
INCLUDING BUT NOT LIMITED TO NEGLIGENCE OR
STRICT LIABILITY, FOR ANY INJURY OR FOR ANY
DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR
CONSEQUENTIAL DAMAGES SUSTAINED OR
INCURRED BY REASON OF THE USE OF ANY OF THE
SELLER’S PRODUCTS THAT WERE DEFECTIVE.

© 3M 1998

78-8124-4701-5