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Hi-Shrink Tape is a tough, flexible, heat shrinkable polyester film.

When wrapped around an object and heated, Hi-Shrink Tape has the unique ability to shrink and apply pressure to the surface of composite parts. This simple method of pressure application is used to advantage in many industries.

Product Description:

  • .003” (0.075mm) thick Polyester film
  • Available on 1.5” (38mm) ID or 3.0” (76mm ) ID cores
  • Standard widths of 0.5” (12mm) wide up to 2.5” (63.5mm) wide

Product Benefits

  • .003” (0.075mm) film thickness provides higher shrink forces than 100, 140, and 200 Series tapes
  • Applies variable shrink force based on shrink % that you specify, and amount of layers you apply
  • Easy application and easy removal from cured parts
  • Commonly used in Marine applications such as manufacturing of masts and booms, whisker, and spinnaker poles

Product Characteristics

  • Available in non-coated, 1-side, or 2-side release coated versions
  • Custom slit widths and roll lengths available upon request
  • Available shrink percentage ranges from 5% up to 20% shrink, and is customized to your application based on amount of compaction force required
  • Suitable for cure temperatures up to 165°C

Up to 165°C

Cure Temperature

Product Release Coated Thickness MD Shrink % Max Shrink Force 
(lbs/inch of width)
Max Taping Tension 
(lbs/inch of width)
312R 0.003 in (0.075 mm) 12% 10.07 60 lbs
320S 0.003 in (0.075 mm) 20% 10.0 67 lbs
320R 0.003 in (0.075 mm) 12% 12.38 70 Ibs

Shrink force vs temperature graph

Click product numbers on left to change graph