Polyimide Film Tape with Acrylic Pressure-
Sensitive Adhesive for use as Insulation Tape
3M™ Tape 1218 is a one mil polyimide backing with
acrylic adhesive. It is designed for high temperature
applications, in which a solvent resistant backing is
required, used on coils, capacitors and wire harnesses.
1 mil polyimide backing
Supplied on 3 inch cores
3M Tape 1218 is available in standard and custom
widths and lengths. Standard length is 36 yards.
Widths from 1/4” to 23”
Longer lengths up to several times normal length,
dependent upon width. Check with Customer
3M Tape 1218 is used for high temperature electrical
applications in which a tough, thin insulating material
that is solvent-resistant is required for wrapping coils,
transformers, capacitors and wire harnesses. It is also
used as a cover layer material for many types of flexible
Adhesion to Steel
(% at break)
Electrolytic Corrosion Factor
Test method ASTM D 1000
3M Test Method-Available on request
Acrylic Pressure Sensitive
3.0 mils / 0.076 mm
19 oz/in (0.50Kg/in)
30 lbs./in (14 Kg/in)
>1 x 10
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Warranty; Limited Remedy; Limited Liability.
This product will be free from defects in material and manufacture for a period of
one (1) year from 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.
Electrical Markets Division
6801 River Place Blvd.
Austin, TX 78726-9000
800-626-8381 Fax 800-828-9329
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Litho in USA
© 3M 2006 78-8126-9084-6-A