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SKU 7000047518
Legacy SKU 70002803222
UPC 00021200035708
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 24 Rolls
Order Increment 24 Rolls
  Global Shipping
  Industry Low Price Per Roll
Product Dimensions
Imperial Metric
Width 1-1/2 in 38 mm
Length 72 yd 66 m
Shipping Dimensions
Weight 9.8547 lb
Length 9.331 in
Width 9.331 in
Height 9.528 in
Color Transparent


  1. What is 3M Polyester Film Tape 850?

    3M Polyester Film Tape 850 is a transparent tape that offers excellent balance of high initial adhesion and holding power to many surfaces. It has an easy to apply, polyester film carrier with acrylic adhesive.

  2. What are the dimensions of this tape?

    This particular roll of polyester film tape measures at 1.5 inches (or about 38 millimeters) in width and 72 yards (or around 66 meters) in length. The thickness or gauge of this tape is approximately .0019 inches or roughly equivalent to .04826 millimeters.

  3. How does it come packaged for purchase?

    One case comes with twenty-four rolls of this specific size, each measuring almost exactly as described above. So you get plenty of value for your money!

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 backing is made of a thin, abrasion-resistant polyester that helps to reduce splice failures and withstands rough handling and web processing. The tape is coated with an aggressive pressure-sensitive acrylic adhesive that provides a strong hold upon contact. It meets low-caliper requirements to ensure it won't interfere with most machinery. The tape 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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