69504 [Master PI]
[Master PI]
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Product description
tesa® 69504 is a highly transparent transfer tape produced under controlled clean room conditions and designed for optically clear lamination of rigid substrates
Special features:
- Outstanding gap filling performance
- Excellent suppression of delay bubbles
- Very high bonding strength
General features:
- High transmission and low haze
- Excellent temperature, humidity and UV resistance
- Excellent whitening resistance
- Very good ITO compatibility (acid free)
- Smooth and easy liner removal
Main applications
- Optically clear lamination of two rigid substrates especially in various types of capacitive touch panel designs
- Bonding of touch panels or displays to cover or lens
Technical properties
Total thickness
100 µm
Type of adhesive
pure acrylic
Transmittance (380 - 780nm) >
99 %
Haze <
0.5 %
Refractive index
1.48
Adhesion properties
Adhesion to Glass (after 14 days)
9.6 N/cm
Adhesion to Glass (initial)
8 N/cm
Adhesion to PC (after 14 days)
9.8 N/cm
Adhesion to PC (initial)
8.9 N/cm
Adhesion to PMMA (after 14 days)
10.9 N/cm
Adhesion to PMMA (initial)
9.2 N/cm
Adhesion to Steel (after 14 days)
10.1 N/cm
Adhesion to Steel (initial)
7.7 N/cm
Rating properties
Tack
+
Ageing resistance (UV)
++
Humidity resistance
++
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.