tesa® 68503

30µm double-sided transparent filmic tape

tesa electronics display led lightbar fixation

Product description

tesa® 68503 is a transparent, double-sided self-adhesive tape consisting of a PET backing, a tackified acrylic adhesive and double PET liner.
Due to the very smooth and excellent appearance it is the perfect solution for display applications.
tesa® 68503 features esp.

  • Thickness: 30μm
  • Good adhesion level
  • Very smooth appearance
  • Excellent resistance to demanding environmental conditions
  • Excellent handling performance in converting processes
  • Double PET liner (36µm easy-release inside / 50µm tight-release outside)


Product details and specifications

Application Fields

  • Force touch film bonding
  • FPC and PCB mounting
  • LED light bar fixation
  • Reflector and optical sheet fixation

Product Construction

Backing material PET film
Color transparent
Thickness of liner - inside 36 µm
Thickness of liner - outside 50 µm
Total thickness 30 µm
Type of adhesive tackified acrylic
Type of liner PET film
Type of liner - inside PET
Type of liner - outside PET

Properties / Performance Values

Ageing resistance (UV) very good
Chemical resistance good
Tack low
Static shear resistance at 23°C good
Softener resistance good
Temperature resistance short term 200 °C
Humidity resistance very good
Temperature resistance long term 100 °C
Static shear resistance at 40°C good

Adhesion to Values

Adhesion to PC (initial) 8.5 N/cm
Adhesion to PC (after 14 days) 8.9 N/cm
Adhesion to PC (covered side, initial) 8 N/cm
Adhesion to PC (covered side, after 14 days) 8.5 N/cm
Adhesion to PE (initial) 4.2 N/cm
Adhesion to PE (after 14 days) 4.7 N/cm
Adhesion to PE (covered side, initial) 4.2 N/cm
Adhesion to PE (covered side, after 14 days) 4.7 N/cm
Adhesion to PET (initial) 6.2 N/cm
Adhesion to PET (after 14 days) 6.6 N/cm
Adhesion to PET (covered side, after 14 days) 6.4 N/cm
Adhesion to PET (covered side, initial) 6.3 N/cm
Adhesion to PI (initial) 7.9 N/cm
Adhesion to PI (after 14 days) 8 N/cm
Adhesion to PI (covered side, initial) 7.9 N/cm
Adhesion to PI (covered side, after 14 days) 8.2 N/cm
Adhesion to PMMA (initial) 8.2 N/cm
Adhesion to PMMA (after 14 days) 8.2 N/cm
Adhesion to PMMA (covered side, after 14 days) 8.4 N/cm
Adhesion to PMMA (covered side, initial) 8.3 N/cm
Adhesion to Steel (initial) 7.2 N/cm
Adhesion to Steel (after 14 days) 8.1 N/cm
Adhesion to Steel (covered side, initial) 7.7 N/cm
Adhesion to Steel (covered side, after 14 days) 8.3 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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