tesa® 69901 Optically Clear Adhesive

tesa-electronics-optically-clear-adhesive-with-transparent-double-liner-product-illustration

Product details and specifications

Product Construction

Adhesive Type acrylic
Backing material none
Color transparent
Color of liner transparent
Liner Type PET film
Thickness of easy release liner 50 µm
Thickness of tape 25 µm
Thickness of tight release liner 75 µm

Properties / Performance Values

Refractive index 1.48
Humidity resistance very good
Haze 0.1 %
Ageing resistance (UV) very good
Tack low
Transmittance (380 - 780nm) > 99 %

Adhesion to Values

Adhesion to Glass (initial) 8.5 N/cm
Adhesion to Glass (after UV curing) 7.4 N/cm
Adhesion to PC (initial) 8.6 N/cm
Adhesion to PC (after UV curing) 9 N/cm
Adhesion to PET (initial) 4.7 N/cm
Adhesion to PET (after UV curing) 4.5 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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