tesa® 66441

470 μm s/s low Dk PU foam tape

Product Features
  • All in one solution provided
  • Very low compression rebound force at Z direction
  • Quick rebounding
All product features

Product description

tesa® 66441 is a single sided black PU foam tape with PET reinforcement. It consists of a super soft and compressible PU foam combined with special adhesive.

Product Features

  • All in one solution provided
  • Very low compression rebound force at Z direction
  • Quick rebounding
  • Low Dk at different frequency
  • High bonding performance on different substrates

Application Fields

  • Low Dk property required application including FPC mounting
  • Cushioning and gap filling mounting application

Product Construction

Type of liner PET
Backing material PU foam
Type of adhesive synthetic rubber
Total thickness 470 µm
Color black
Color of liner transparent
Thickness of liner 50 µm

Properties / Performance Values

Static shear resistance at 23°C good
Static shear resistance at 40°C good

Adhesion to Values

Adhesion to PC (initial) 8 N/cm
Adhesion to PC (after 14 days) 9 N/cm
Adhesion to Steel (initial) 9 N/cm
Adhesion to Steel (after 14 days) 9 N/cm
tesa® products prove their impressive quality day in, day out in demanding conditions and are regularly subjected to strict controls. All technical information and data above mentioned are provided to the best of our knowledge on the basis of our practical experience. They shall be considered as average values and are not appropriate for a specification. Therefore tesa SE can make no warranties, expressed or implied, including, but not limited to any implied warranty of merchantability or fitness for a particular purpose. The user is responsible for determining whether the tesa® product is fit for a particular purpose and suitable for the user’s method of application. If you are in any doubt, our technical staff will be glad to support you.

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