3M™ Polyimide Film
Electrical Tape 1205
Polyimide Film Tape with Acrylic Pressure-Sensitive Adhesive
Data Sheet
February 2017
Description
3M™ Polyimide Film Electrical Tape 1205 is a 1-mil polyimide film backing with
acrylic adhesive. Its acrylic pressure-sensitive adhesive allows it to be used at
311ºF (155ºC), and it is UL 510 Flame Retardant. Like most insulated tapes,
from 3M, Tape 1205 is available in standard and custom widths and lengths.
The standard length is 36 yards, and can be cut to widths ranging from 1/4” to
23”. Longer lengths up to several times normal length are possible, dependent
upon width.--Check with Customer Service for details.
UL Recognized component listing not to exceed 155°C (311°F), Meets flame
retardant requirements of UL510, 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
Product Category OANZ2, File E17385
For RoHS information, please visit
www.3M.com/ROHS
Applications
3M 1205 Tape is used for high-temperature electrical applications in which a
tough, thin insulating material is required for wrapping coils, transformers,
capacitors, wire harnesses, and for anchoring leads / terminal boards. It also is
used in printed circuit board assembly as a wave solder masking tape.
3M 1205 Tape is a polyimide film with thermosetting acrylic 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 -40°F (-40°C) to 311°F
(155°C) without substantial loss of tensile or electrical properties
Specifications
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3M
3M™ Polyimide Film Electrical Tape 1205
Typical Properties
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.
Physical Property (Test Method)
(ASTM D1000 unless noted)
Color
Adhesive
Backing Thickness
Overall Thickness
Tensile Strength
Elongation (% at break)
Electrolytic Corrosion Factor
(3M internal test method)
Adhesion to Steel
Comparative Tracking Index
(IEC Method 112)
Printable
Dielectric Breakdown
Insulation Resistance
Typical Value
US units (metric)
Amber
Acrylic
1.0 mils (0,025 mm)
3.0 mils (0,076 mm)
30 lbs / inch width (53 N / 10 mm)
55% minimum
1.0
35 oz / inch width (3,8 N / 10 mm)
CTI Group IIIb
No
> 7,500 V
> 1 x10
6
Megaohms
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).
Please contact your local distributor; available from 3M.com/electrical [Where to Buy]
or call 1-800-676-8381.
3M is a trademark of 3M Company.
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
Electrical Markets Division
6801 River Place Boulevard
Austin, TX 78726-9000
800.676.8381
Fax: 800.828.9329
www.3m.com/oem
Please recycle
© 3M 2017 All rights reserved
78-8124-4706-4 Rev D
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