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SKU 7010048674
Legacy SKU 70012502327
UPC 00051128999103
Product Number 850

For splicing applications requiring quick stick and an aggressive, permanent hold, use 3M™ Polyester Tape 850. Used in a variety of applications, including web processing, label protection, and marking. This tape is available in various colors, as well as a transparent.

  • Aggressive acrylic adhesive provides quick stick and excellent long-term holding in splicing applications
  • Thin, high strength polyester film meets low caliper requirements which won't interfere with most machinery processes
  • Polyester backing resists tearing and protects surfaces from abrasion and rough handling
  • Temperature resistance enables tape to perform in high temperature operations
  • Transparent and silver versions meet a variety of aerospace specifications
  • Colored versions are highly visible for applications where marking or identification is required
  • Transparent version is chemical and solvent resistant
  • Low modulus, low Shore A Hardness
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On it's way to you January 3  


Minimum Order 72 Rolls
Order Increment 72 Rolls
  Global Shipping
  Industry Low Price Per Roll
Product Dimensions
Imperial Metric
Width 1/2 in 12.7 mm
Length 72 yd
Shipping Dimensions
Weight 8.6 lb
Length 9.25 in
Width 9.25 in
Height 9.5 in
Color Red


  1. What is 3M™ Polyester Film Tape 850 used for?

    This tape is mainly used for splicing and labeling in high-temperature applications.

  2. How much tape comes in each case of the product?

    There are a total of 72 rolls per case, giving you plenty of tape to work with for your next project.

  3. Can this red-colored tape be seen easily on different surfaces?

    Yes, the bright red color provides excellent visibility, making it easy to see whether you're using it as labeling or warning markings.

  4. Is this tape easy to remove if needed?

    The adhesive technology featured in our polyester film tapes ensure strong holding power while still being able to removed cleanly and without leaving any nasty residue behind!

  5. . Can this type of tape hold up against harsh weather conditions such as extreme heat or cold temperatures?

    . Absolutely! Our Polyester Film Tapes are known for their strength and durability—even under some of the harshest environmental conditions out there—which means providing uninterrupted use no matter where they’re applied

For industrial/occupational use only. Not for consumer sale or use.
3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use.  Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice.  Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage.  For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.
An Aggressive and Permanent Hold

3M™ Polyester Film Tape 850 is a high-strength tape that is commonly used for splicing and web applications. The tape has a thin, abrasion-resistant polyester backing that helps to reduce splice failures and resist breakdowns during rough handling and web processing. It is coated with an aggressive pressure-sensitive acrylic adhesive that grabs on contact and holds securely. The tape meets low-caliper requirements to ensure it won't interfere with most machinery. It can withstand a wide temperature range from -60°F/-50°C to 300°F/150°C.

Recommended Applications (Red, Black and White)
  • Core starting
  • Splicing and web defect marking
  • Sealing, labeling and protecting
  • Decorative edging
  • Tape hinge
Recommended Applications (Transparent)
  • Sealing and protecting against chemical intrusion
  • Label protection where readability is a concern
  • Meets a variety of specifications in the aerospace industry
  • Core starting and splicing
Recommended Applications (Silver)
  • Defect flagging where reflective sensing is required
  • Decorative striping and edging
  • Meets a variety of specifications in the aerospace industry
  • Splicing of film, including movie film
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