tesa® 69404

100µm optically clear transfer tape

Product description

tesa® 69404 is a highly transparent transfer tape produced under controlled clean room conditions and designed for optically clear lamination.

Special features:
  • High transmission and low haze

  • Excellent temperature, humidity and UV resistance

  • Excellent whitening resistance

  • Excellent ITO compatibility (acid free)

  • Very good bubble stability (outgassing of plastic substrates)

  • High bonding strength

  • Balanced lamination (gap filling) and converting performance

  • Smooth and easy liner removal

Application Fields

  • Optically clear lamination of films to rigid or flexible substrates especially in capacitive type touch panels

  • Bonding of touch panels to protective cover or lens

  • Lamination of optical films, e.g. display protection and anti-splinter films

Product Construction

Type of adhesive pure acrylic
Thickness of easy release liner 1.97 mils
50 µm
Type of liner PET
Color of liner transparent
Total thickness 3.94 mils
100 µm
Backing material none
Color transparent

Properties / Performance Values

Refractive index 1.48
Transmittance (380 - 780nm) > 99 %
Haze 0.5 %

Adhesion to Values

Adhesion to PC (initial) 63.95 oz/in
7 N/cm
Adhesion to PET (initial) 43.85 oz/in
4.8 N/cm
Adhesion to Glass (initial) 63.04 oz/in
6.9 N/cm
Adhesion to PMMA (initial) 56.64 oz/in
6.2 N/cm

Additional Info

  • 50µm easy release PET liner (outside of the roll)

  • PV0: 50µm tight release PET liner

  • PV1: 125µm tight release PET liner
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.

Related products