tesa® 68549

20µm double sided transparent conformable filmic tape



Product description

tesa® 68549 is a transparent, double-sided self-adhesive tape consisting of a thin, conformable PET film backing and a tackified acrylic adhesive.

tesa® 68549 features esp.:

  • Thickness: 20µm
  • Backing thickness: 2µm
  • Excellent heat transfer due to low thickness and good wetting
  • High adhesion level relative to low thickness
  • Excellent conformability and adjustment to curved surfaces
  • Excellent resistance to demanding environmental conditions

Main applications

  • Mounting of heat spreading parts
  • Lamination in NFC antenna
  • Very small design gap filling

Technical properties

Backing material

PET film

Color

transparent

Type of adhesive

tackified acrylic

Adhesion properties

Adhesion to ABS (after 14 days)

7.3 N/cm

Adhesion to ABS (initial)

6.3 N/cm

Adhesion to PC (after 14 days)

8.2 N/cm

Adhesion to PC (initial)

8 N/cm

Adhesion to PE (after 14 days)

3.1 N/cm

Adhesion to PE (initial)

2.2 N/cm

Adhesion to Steel (after 14 days)

9.7 N/cm

Adhesion to Steel (initial)

7.3 N/cm

Rating properties

Temperature resistance short term

200 °C

Temperature resistance long term

100 °C

Tack

-

Ageing resistance (UV)

++

Humidity resistance

++

Resistance to chemicals

++

Static shear resistance at 23°C

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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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