Product information

tesa ^® 69401

Name: tesa® 69401
Brand: tesa®

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

Technical properties

Backing material

none

Color

transparent

Total thickness

25 µm

Type of adhesive

pure acrylic

Type of liner

PET

Colour of liner

transparent

Thickness of liner (easy release)

50 µm

Thickness of liner (tight release)

50 µm

Transmittance (380 - 780nm) >

99 %

Haze <

0.5 %

Refractive index

1.48

Adhesion properties

Adhesion to Glass (initial)

5.4 N/cm

Adhesion to PC (initial)

5.9 N/cm

Adhesion to PET (initial)

4.1 N/cm

Adhesion to PMMA (initial)

5.8 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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