Product information

tesa ® 66740

400μm d/s differential foam tape with removable adhesive

Product description

tesa ® 66740 is a black double-sided foam tape with a PET reinforcement. The tape is equipped with a special ultra-removable adhesive on one side and a tackified acrylic adhesive on the other side.

tesa ® 66740 features:
  • Excellent removability on various substrates
  • Excellent resistance & stability to demanding environmental conditions
  • Waterproof: IPX7

Main applications

  • Automotive electronics display mounting
  • Removable mounting

Technical properties

Backing material

PE foam



Total thickness

400 µm

Type of adhesive

tackified acrylic

Elongation at break

94 %

Tensile strength

32.2 N/cm

Adhesion properties

Adhesion to Steel (after 14 days)

0.6 N/cm

Adhesion to Steel (covered side, after 14 days)

11.5 N/cm

Adhesion to Steel (covered side, initial)

8 N/cm

Adhesion to Steel (initial)

0.5 N/cm

Rating properties

Ageing resistance (UV)


Humidity resistance


Removability after 14 days (23°C)


Removability after 14 days (85°C, 95% r.h.)


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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