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SKU 7100069442
Legacy SKU 70006241262
UPC 00021200393266
Catalog Number 850
Product Number 850

For splicing applications requiring quick stick and an aggressive, permanent hold, use our 3M Polyester Film Tape 850 Silver. Used in a variety of applications, including web processing, label protection, and marking.

  • 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
  • Meets a variety of aerospace specifications
  • Silver version is highly visible for applications where marking or identification is required
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On it's way to you July 18  


Minimum Order 2 Rolls
Order Increment 2 Rolls
  Global Shipping
  Industry Low Price Per Roll
Product Dimensions
Imperial Metric
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Width 0 null
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Thickness 1.9 mil 0.05 mm
Shipping Dimensions
Weight 8.06892 lb
Length 25.7874 in
Width 8.26772 in
Height 8.26772 in
Color Silver


  1. What is the thickness of the 3M™ Polyester Film Tape 850?

    The tape has a thickness of 1.9 mil.

  2. Can this tape be used for outdoor applications?

    Yes, it has good weather resistance and can be used for outdoor applications.

  3. How wide is each roll of the 3M™ Polyester Film Tape 850?

    Each roll is 24 inches wide.

  4. Does this tape have good electrical insulation properties?

    Yes, it provides excellent electrical insulation properties making it suitable for electronic equipment manufacturing and maintenance.

  5. Is there any minimum order quantity required to purchase this product?

    No, there is no minimum order quantity required to purchase this product. You can order just one roll if you need it!

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

Our 3M™ Polyester Film Tape 850 is a high-strength tape that is commonly used for splicing and web applications. The tape features a thin, abrasion-resistant polyester backing that helps reduce splice failures and withstands rough handling and web processing. It is coated with an aggressive pressure-sensitive acrylic adhesive that provides an immediate and permanent hold. 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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