tesa_PET-trans_dr_WZ_001

tesa® 68505

50µm double sided transparent filmic tape

Product description

tesa® 68505 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® 68505 features esp.
  • Thickness: 50µm
  • High adhesion level
  • Very smooth appearance
  • High resistance to demanding environmental conditions
  • Good handling performance in converting processes
  • Double PET liner (36µm easy-release inside / 50µm tight-release outside)

Application Fields

tesa® 68505 is used for mounting and laminating applications especially for display applications like:

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

Product Construction

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

Properties / Performance Values

Elongation at break 50 %
Static shear resistance at 23°C medium
Humidity resistance very good
Tack good
Ageing resistance (UV) very good
Temperature resistance long term 100 °C
Softener resistance very good
Temperature resistance short term 200 °C

Adhesion to Values

Adhesion to PMMA (covered side, after 14 days) 7.2 N/cm
Adhesion to PI (initial) 7 N/cm
Adhesion to PC (covered side, initial) 6.8 N/cm
Adhesion to PET (covered side, after 14 days) 5.5 N/cm
Adhesion to Steel (initial) 6.5 N/cm
Adhesion to PE (initial) 4.1 N/cm
Adhesion to PC (after 14 days) 6.8 N/cm
Adhesion to PMMA (after 14 days) 7.3 N/cm
Adhesion to PI (covered side, after 14 days) 7.2 N/cm
Adhesion to PE (covered side, after 14 days) 4.3 N/cm
Adhesion to PET (after 14 days) 6.1 N/cm
Adhesion to PC (initial) 6.1 N/cm
Adhesion to PMMA (covered side, initial) 7.1 N/cm
Adhesion to PE (covered side, initial) 3.5 N/cm
Adhesion to Steel (covered side, after 14 days) 7.3 N/cm
Adhesion to PET (covered side, initial) 5.7 N/cm
Adhesion to PE (after 14 days) 4.3 N/cm
Adhesion to PI (after 14 days) 7.1 N/cm
Adhesion to PET (initial) 5.5 N/cm
Adhesion to PI (covered side, initial) 6.9 N/cm
Adhesion to PMMA (initial) 6.8 N/cm
Adhesion to PC (covered side, after 14 days) 6.9 N/cm
Adhesion to Steel (after 14 days) 7.3 N/cm
Adhesion to Steel (covered side, initial) 6.8 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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