tesa 69812 Optically Clear Adhesive

300µm UV-curable outgassing resistant optically clear adhesive tape

Product description

tesa® 69812 is a highly transparent UV-curable transfer tape produced under controlled clean room conditions and designed for optically clear lamination of plastic substrates.
Special features:
  • Excellent outgassing resistance to avoid bubble formation
  • Superb gap filling performance
  • Good temperature, humidity and UV resistance

Application Fields

  • Optically clear lamination of films or glass to plastic substrates
  • Other optical lamination with high tolerance coverage demand

Product Construction

Type of adhesive pure acrylic
Thickness of easy release liner 75 µm
Thickness of tight release liner 125 µm
Type of liner PET film
Total thickness 300 µm
Backing material none
Color transparent

Properties / Performance Values

Refractive index 1.48
Humidity resistance good
Tack very good
Ageing resistance (UV) good
Transmittance (380 - 780nm) > 99 %
Haze 0.4 %

Adhesion to Values

Adhesion to Glass (after UV curing) 13.9 N/cm
Adhesion to PET (after UV curing) 8.6 N/cm
Adhesion to PMMA (after UV curing) 13.1 N/cm
Adhesion to PC (after UV curing) 14.4 N/cm

Additional Info

  • UV curing dosage: above 5000 mJ per square centimeter (measured on OCA surface, UVA 320-380nm)
  • 75µm easy release PET liner outside of the roll
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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