3M™ Polyester Film Electrical Tape 56
with Thermosetting Rubber Adhesive
Data Sheet
Description
Applications
January 2014
3M Polyester Film Tape 56 is a 1-mil yellow polyester film with rubber thermosetting
adhesive.
The 56 tape is especially suited for use as layer insulation and coil cover in 130°
applications.
UL recognized component listing not to exceed 130°C (266°F), Product Category
OANZ2, and 3M File No. E17385
UL File Number E17385 A and B, Guide OANZ2. Underwriters Laboratories (UL) recognized products
have been evaluated for use as components of end-product equipment that is listed or classified by
UL. To achieve Underwriters Laboratories recognition, component construction must meet UL
specifications and conditions of acceptability for proper and safe use of the component or product.
Agency Approvals
& Self Certifications
RoHS
2011/65/EC
"RoHS 2011/65/EU" means that the product or part does not contain any of the substances in excess
of the maximum concentration values (“MCVs”) in EU RoHS Directive 2011/65/EU. The MCVs are by
weight in homogeneous materials. This information represents 3M's knowledge and belief, which may
be based in whole or in part on information provided by third party suppliers to 3M.
Typical Properties
Physical Properties
(ASTM D1000 unless noted)
Adhesive
Backing
Backing Thickness
1
Total Thickness
Color
Electrical Property
(ASTM D1000 unless noted)
Temperature Class
Dielectric Breakdown
Breaking Strength
1
Elongation
1
(% at break)
Electrolytic Corrosion Factor
2
Adhesion to Steel
1
1
1
Typical Value
US units (metric)
Thermosetting Rubber
Polyester Film
1.0 Mil
2.3 mils (0,058 mm)
Yellow
Typical Value
US units (metric)
130C (266F)
5,000 Volts
Insulation Resistance
(megohms)
>1 x 10
100
1.0
6
25 lbs./in. (44 n/10 mm)
50 oz./in. (5,5 n/10 mm)
*Footnote: 1. Test method ASTM D 1000
2. 3M Test Method-Available on request
Not for specifications. Values are typical, not to be considered minimum or
maximum. Properties measured at room temperature 73°F (23°C) unless otherwise
stated
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3M™ Polyester Film Electrical Tape 56
Specifications
3M Polyester Film Tape 56 is a polyester film-backed tape with thermosetting rubber
pressure-sensitive adhesive.
The tape shall be coated on one side with pressure-sensitive adhesive, which shall not
require heat, moisture or other preparation prior to or subsequent to application. The
adhesive coating shall be smooth and uniform and be free of lumps and bare spots.
There shall be no separator between adjacent layers of the roll. The tape shall
perform at a temperature of -40F° (-40°C) to 266°F (130°C) without substantial loss of
tensile or electrical properties.
Shelf Life & Storage
Availability
This product has a 5-year shelf life from date of manufacture when stored in a humidity
controlled storage (10°C/50°F to 27°C/80°F and <75% relative humidity).
3M Electrical Tape 56 is available in standard and custom widths and lengths.
Standard length is 72 yards.
Please contact your local distributor; available from 3M.com/electrical [Where to Buy]
or call 1.800.676.8381.
Important Notice
All statements, technical information, and recommendations related to 3M’s products are based on information
believed to be reliable, but the accuracy or completeness is not guaranteed. Before using this product, you must
evaluate it and determine if it is suitable for your intended application. You assume all risks and liability associated
with such use. Any statements related to the product, which are not contained in 3M’s current publications, or any
contrary statements contained on your purchase order, shall have no force or effect unless expressly agreed upon, in
writing, by an authorized officer of 3M.
This product will be free from defects in material and manufacture at the time of purchase.
3M MAKES NO OTHER
WARRANTIES INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE.
If this product is defective within the warranty period stated above, your
exclusive remedy shall be, at 3M’s option, to replace or repair the 3M product or refund the purchase price of the 3M
product.
Except where prohibited by law, 3M will not be liable for any indirect, special, incidental or
consequential loss or damage arising from this 3M product, regardless of the legal theory asserted.
Warranty; Limited
Remedy; Limited
Liability
3M is a trademark of 3M Company.
Electrical Markets Division
6801 River Place Blvd.
Austin, TX 78726-9000
800 676 8381
FAX: 800 828 9329
www.3M.com/oem
Please recycle
© 3M 2014 All rights reserved
78-8124-4711-4 Rev B
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