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3M 851ST

3M 851ST is a polyester tape with a silicone adhesive designed for powder coating and other high-temperature masking applications. Green.

  • Color: Green
  • Thickness: 2.4 mils (0.060 mm)
  • Backing: Polyester film
  • Adhesive: Silicone
  • Standard roll length: 50m | 55yd

3M™ Polyester/Silicone Tape 851ST is a green polyester tape with a silicone adhesive designed for powder coating and other high temperature masking applications.

3M 851ST
3M 851ST
3M 851ST
3M 851ST

3M 851ST Features

  • Abrasion, chemical, and thermal resistant
  • Removes cleanly from stainless steel after 30 min at 218°C (425°F)
  • Higher heat resistance as compared with acrylics
  • Easy and clean removability
  • Polyethylene tape core instead of cardboard

3M 851ST Applications

  • Masking edges of overlap seams in the metal bonding process where the excess epoxy (“flash”) flows onto the tape.
  • Clean-up is virtually complete when the tape is removed.
  • Protective overall mask on panels subject to mild caustic or acid bath etching and to help prevent scratches during handling prior to bonding operations.
  • Holding of parts or vacuum bags during the bonding operation.
  • Mask for the metal in acid or caustic chemical milling baths.
  • Paint mask for areas subject to high-temperature bake cycles.
  • Splicing of silicone liners and papers.
  • Splicing of films subject to high temperatures.

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