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tesa® 69401
25µm optically clear transfer tape
Product description
tesa® 69401 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 ITO compatibility (acid free)
- High bonding strength
- Balanced lamination (gap filling) and converting performance
- Smooth and easy liner removal
Main applications
- General solution for optically clear lamination
- Lamination of films to rigid substrates of lamination of two rigid substrates
- Bonding of displays to cover glass or touch panel
Additional Info
- 50µm easy release PET liner (outside of the roll)
- 50µm tight release liner
Technical properties
Refractive index
1.48
Total thickness
25 µm
Thickness of easy release liner
50 µm
Type of liner
PET
Thickness of tight release liner
50 µm
Color
transparent
Type of adhesive
pure acrylic
Haze
0.5 %
Colour of liner
transparent
Backing material
none
Transmittance (380 - 780nm) >
99 %
Adhesion properties
Adhesion to PMMA (initial)
5.8 N/cm
Adhesion to Glass (initial)
5.4 N/cm
Adhesion to PC (initial)
5.9 N/cm
Adhesion to PET (initial)
4.1 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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