tesa® 61645

250µm double sided black standard PE foam tape


Product description

tesa® 61645 is a black double-sided tape consisting of a PE-foam backing equipped with a special modified acrylic adhesive.
tesa® 61645 features:

  • Very good bonding strength
  • Outstanding shock performance
  • Good push-out resistance
  • Waterproofness
  • Good rework ability


Product details and specifications

Application Fields

  • Smart Phone: Lens mounting & 2.5D/3D back cover mounting
  • Tablet & Touch laptop: Lens mounting & touch panel mounting
  • Battery mounting
Backing material PE foam
Color black
Total thickness 250 µm
Type of adhesive tackified acrylic
Type of liner - inside PET
Elongation at break 350 %
Tensile strength 16 N/cm
Static shear resistance at 40°C good
Static shear resistance at 23°C good
Humidity resistance good
Ageing resistance (UV) good
Adhesion to ABS (initial) 9 N/cm
Adhesion to ABS (after 14 days) 12 N/cm
Adhesion to Glass (initial) 12.5 N/cm
Adhesion to Glass (after 14 days) 12.5 N/cm
Adhesion to PC (initial) 12 N/cm
Adhesion to PC (after 14 days) 13.5 N/cm
Adhesion to PMMA (initial) 13 N/cm
Adhesion to PMMA (after 14 days) 14.5 N/cm
Adhesion to Steel (initial) 10.5 N/cm
Adhesion to Steel (after 14 days) 12.5 N/cm
Liner: PV50 transparent PET-film (50μm)
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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Product comparison

Name of product tesa® 61645 tesa® 66827 tesa® 66829 tesa® 66822 tesa® 62626 tesa® 75120 tesa® 75405 tesa® 75410 tesa® 75620 tesa® 75415 tesa® 61054
Total thickness
250 µm
350 µm
350 µm
150 µm
300 µm
200 µm
50 µm
100 µm
200 µm
150 µm
250 µm
Type of adhesive
tackified acrylic
tackified acrylic
tackified acrylic
tackified acrylic
tackified acrylic
modified acrylic
modified acrylic
modified acrylic
modified acrylic
modified acrylic
modified acrylic
Backing material
PE foam
PE foam
PE foam
PE foam
PE foam
Acrylic
Acrylic
Acrylic
Adhesion to Glass (initial)
12.5 N/cm
13.2 N/cm
13.2 N/cm
9 N/cm
15 N/cm
14.8 N/cm
8.5 N/cm
11.4 N/cm
13.5 N/cm
14.5 N/cm
17 N/cm
Adhesion to PMMA (initial)
13 N/cm
13.2 N/cm
13 N/cm
8 N/cm
15 N/cm
Temperature resistance long term
110 °C
90 °C
90 °C
90 °C
Temperature resistance short term
180 °C
140 °C
180 °C
Last updated on 16 Apr 2024