tesa 69804 Optically Clear Adhesive
100µm outgassing resistant optically clear adhesive
Product description
tesa® 69804 is a UV-curable optically clear display tape designed for lamination of plastic substrates.
Special features:
Special features:
- Excellent suppression of bubbles even in harsh environments
- Superb gap filling performance
- Excellent temperature, humidity and UV resistance
- Very high bonding strength
- Smooth and easy liner removal
- High transmittance and low haze
- Produced under clean room environment
Application Fields
- Special solution for optically clear lamination of plastic substrates
- Lamination of films to rigid substrates of lamination of two rigid substrates
- Bonding of displays to cover glass or touch panel
- Automotive electronic displays using PC, PMMA
Product Construction
| Thickness of tape | 100 µm |
| Type of adhesive | acrylic |
| Thickness of liner (easy release) | 50 µm |
| Thickness of liner (tight release) | 75 µm |
| Type of liner | PET film |
| Colour of liner | transparent |
| Backing material | none |
| Color | transparent |
Properties / Performance Values
| Refractive index | 1.48 |
| Humidity resistance | good |
| Tack | good |
| Ageing resistance (UV) | good |
| Transmittance (380 - 780nm) > | 99 % |
| Haze < | 0.2 % |
Adhesion to Values
| Adhesion to Glass (after UV curing) | 10.2 N/cm |
| Adhesion to PET (after UV curing) | 7.6 N/cm |
| Adhesion to PMMA (after UV curing) | 9.3 N/cm |
| Adhesion to PC (after UV curing) | 10.3 N/cm |
| Adhesion to PC (initial) | 11.2 N/cm |
| Adhesion to PET (initial) | 7.9 N/cm |
| Adhesion to Glass (initial) | 9.5 N/cm |
| Adhesion to PMMA (initial) | 11.8 N/cm |
Additional Info
- Please refer to our UV curing technical bulletin for best results
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.
