tesa 69804 Optically Clear Adhesive

100µm outgassing resistant optically clear adhesive

Product description

tesa® 69804 is a UV-curable optically clear display tape designed for lamination of plastic substrates.
Special features:
  • Excellent suppression of bubbles even in harsh environments
  • Superb gap filling performance
  • Excellent temperature, humidity and UV resistance
  • Very high bonding strength
  • Smooth and easy liner removal
  • High transmittance and low haze
  • Produced under clean room environment

Application Fields

  • Special solution for optically clear lamination of plastic substrates
  • Lamination of films to rigid substrates of lamination of two rigid substrates
  • Bonding of displays to cover glass or touch panel
  • Automotive electronic displays using PC, PMMA

Product Construction

Thickness of tape 100 µm
Type of adhesive acrylic
Thickness of liner (easy release) 50 µm
Thickness of liner (tight release) 75 µm
Type of liner PET film
Colour of liner transparent
Backing material none
Color transparent

Properties / Performance Values

Refractive index 1.48
Humidity resistance good
Tack good
Ageing resistance (UV) good
Transmittance (380 - 780nm) > 99 %
Haze < 0.2 %

Adhesion to Values

Adhesion to Glass (after UV curing) 10.2 N/cm
Adhesion to PET (after UV curing) 7.6 N/cm
Adhesion to PMMA (after UV curing) 9.3 N/cm
Adhesion to PC (after UV curing) 10.3 N/cm
Adhesion to PC (initial) 11.2 N/cm
Adhesion to PET (initial) 7.9 N/cm
Adhesion to Glass (initial) 9.5 N/cm
Adhesion to PMMA (initial) 11.8 N/cm

Additional Info

  • Please refer to our UV curing technical bulletin for best results
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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