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8951
General Purpose Polyester/Silicone Tape
Technical Data
March, 2009
Product Description
3M™ General Purpose Polyester/Silicone Tape 8951 is a polyester tape with a
silicone adhesive designed for high temperature applications. Specifically, it is used
to break flash in composite bonding as well as splicing silicone and non-silicone
coated papers and films.
Product Construction
Backing
Polyester
Adhesive
Silicone
Colors
Blue, Red
Standard Roll Length
72 yds. (66 m)
Typical Physical
Properties
Note: The following technical information and data should be considered representative
or typical only and should not be used for specification purposes.
ASTM Test Method
Adhesion to Steel:
Tensile Strength at Break
Elongation at Break:
Backing Thickness:
Total Tape Thickness:
Temperature Use Range:
34 oz./in. width (37 N/100 mm)
26 lbs./in. width (440 N/100 mm)
120%
0.9 mil (0.02 mm)
2.6 mils (0.06 mm)
Up to 425°F (218°C)
D-3330
D-3759
D-3759
D-3652
D-3652
Features
• Designed to provide clean removal during masking operations involving high
temperatures and pressure.
• Polyester film retains flexibility and thermal resistance to help reduce failures
due to cracking.
• Abrasion, chemical and thermal resistance to help reduce failures due to backing
deterioration.
• Silicone adhesive helps reduce failure due to softening, oozing, and adhesive
transfer.
• Masking edges of overlap seams in metal bonding process where excess epoxy
(flash) flows onto tape as clean-up is complete upon tape removal.
• Removes cleanly from stainless steel, anodized aluminum and glass after a four-
hour bake cycle at 350°F (177°C).
3M
™
General Purpose Polyester/Silicone Tape
8951
Application Ideas
• Holding parts or vacuum bags during bonding process.
• Splicing silicone treated materials, including paper, liners and films.
• One hour photo lab splicing tape.
• Electrical insulation tape.
• Circuit board masking.
• Masking parts in an anodizing process.
Storage
Store under normal conditions of 60° to 80°F (15° to 27°C) and 40 to 50% R.H. in
the original carton.
Shelf Life
To obtain best performance, use this product within 18 months from date of
manufacture.
Technical Information
The technical information, recommendations and other statements contained in this document are
based upon tests or experience that 3M believes are reliable, but the accuracy or completeness of such
information is not guaranteed.
Product Use
Many factors beyond 3M’s control and uniquely within user’s knowledge and control can affect the use
and performance of a 3M product in a particular application. Given the variety of factors that can affect
the use and performance of a 3M product, user is solely responsible for evaluating the 3M product and
determining whether it is fit for a particular purpose and suitable for user’s method of application.
Warranty,
Limited Remedy,
and Disclaimer
Unless an additional warranty is specifically stated on the applicable 3M product packaging or product
literature, 3M warrants that each 3M product meets the applicable 3M product specification at the time
3M ships the product. 3M MAKES NO OTHER WARRANTIES OR CONDITIONS, EXPRESS OR
IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OR CONDITION OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR ANY IMPLIED WARRANTY
OR CONDITION ARISING OUT OF A COURSE OF DEALING, CUSTOM OR USAGE OF TRADE.
If the 3M product does not conform to this warranty, then the sole and exclusive remedy is, at 3M’s
option, replacement of the 3M product or refund of the purchase price.
Limitation of Liability
Except where prohibited by law, 3M will not be liable for any loss or damage arising from the 3M product,
whether direct, indirect, special, incidental or consequential, regardless of the legal theory asserted,
including warranty, contract, negligence or strict liability.
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Industrial Adhesives and Tapes Division
3M Center, Building 225-3S-06
St. Paul, MN 55144-1000
800-362-3550 • 877-369-2923 (Fax)
www.3M.com/industrial
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10% post-consumer
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Printed in U.S.A.
©3M 2009 70-0709-4717-4 (3/09)
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