1205 Tape
Polyimide Film With Acrylic Adhesive
Data Sheet
Product Description
3M 1205 Tape is a 1-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 Kapton backing
• Acrylic adhesive
• Supplied on 3 inch cores
3M 1205 Tape 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
Service.
Applications
3M 1205 Tape 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
printed circuits.
Properties Typical Values
Adhesive Acrylic
Backing Polyimide
Backing Thickness1One Mil
Total Thickness 3.0 mils/.076mm
Operating Temperature (continuous) 155°C/311°F
Dielectric Breakdown17,500 Volts
Insulation Resistance1 (megohms) >1 x 106
Breaking Strength130 lbs./in. (53 n/10mm)
Elongation1 (% at break) 55
Electrolytic Corrosion Factor31.0
Adhesion to Steel135 oz./in. (3,8 n/10mm)
UL 510 Flame Retardant2Yes
*Footnote: 1. Test method ASTM D 1000
2. UL-recognized for flame retardancy per UL 510, Product Category 0ANZ2, File E17385.
3. 3M Test Method-Available on request
Innovation
Jan. 2000
3M United Kingdom PLC
Electrical Products Group
Hudson Road
Bedford MK41 0HR
Tel: 01234 268868
Fax: 01234 229433
3M Ireland
Electrical products Group
3M House, Adelphi Centre
Dun Loaghaire, CO. Dublin, Ireland
Tel: (01) 2803555
Fax: (01) 2803509
Important Notice
Technical information provided by 3M is based on experience and/or tests
believed to be reliable, but their accuracy is not guaranteed and the results may
not be relevant to every user’s application. For this reason 3M does not accept
responsibility or liability, direct or consequential, arising from reliance upon any
information provided and the user should determine the suitability of the products
for their intended use. Nothing in this statement will be deemed to exclude or
restrict 3M’s liability for death or personal injury arising from its negligence. All
questions of liability relating to 3M products are governed by the seller’s terms of
sale subject where applicable to the prevailing law
If any goods supplied or processed by or on behalf of 3M prove on
inspection to be defective in material or workmanship, 3M will (at its
option) replace the same or refund to the Buyer the price paid for the
goods or services. Except as set our above, all warranties and
conditions, whether express or implied, statutory or otherwise are
excluded to the fullest extent permissible at law.
3M and Scotchcast are trademarks of the 3M Company. Printed in
the UK.
© 3M United Kingdom PLC, 1999
