tesa 69808 Optically Clear Adhesive
200µm outgassing resistant optically clear adhesive
Product Features- Excellent suppression of bubbles even in harsh environments
- Superb gap filling performance
- Good temperature, humidity and UV resistance
Product description
tesa® 69808 is a highly transparent transfer tape produced under controlled clean room conditions and designed for optically clear lamination with post UV curable design.
Product Features
- Excellent suppression of bubbles even in harsh environments
- Superb gap filling performance
- Good temperature, humidity and UV resistance
- Very high bonding strength
- Smooth and easy liner removal
- High transmittance and low haze
Application Fields
- Designed 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
| Backing material | none |
| Color | transparent |
| Color of liner | transparent |
| Thickness of easy release liner | 50 µm |
| Thickness of tape | 200 µm |
| Thickness of tight release liner | 100 µm |
| Type of adhesive | acrylic |
| Type of liner | PET film |
Properties / Performance Values
| Refractive index | 1.48 |
| Humidity resistance | good |
| Tack | good |
| Ageing resistance (UV) | good |
| Transmittance (380 - 780nm) > | 99 % |
| Haze | 0.3 % |
Adhesion to Values
| Adhesion to Glass (after UV curing) | 12.8 N/cm |
| Adhesion to Glass (before UV curing) | 12.4 N/cm |
| Adhesion to PET (after UV curing) | 8.5 N/cm |
| Adhesion to PMMA (after UV curing) | 10.8 N/cm |
| Adhesion to PC (after UV curing) | 11.3 N/cm |
| Adhesion to PC (before UV curing) | 7 N/cm |
| Adhesion to PET (before UV curing) | 8.4 N/cm |
| Adhesion to PMMA (before UV curing) | 10.7 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.
