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tesa 69812 Optically Clear Adhesive
300µm UV-curable outgassing resistant optically clear adhesive tape
Product description
tesa® 69812 is a highly transparent UV-curable transfer tape produced under controlled clean room conditions and designed for optically clear lamination of plastic substrates.
Special features:
Special features:
- Excellent outgassing resistance to avoid bubble formation
- Superb gap filling performance
- Good temperature, humidity and UV resistance
Application Fields
- Optically clear lamination of films or glass to plastic substrates
- Other optical lamination with high tolerance coverage demand
Product Construction
| Type of adhesive | pure acrylic |
| Thickness of easy release liner | 75 µm |
| Thickness of tight release liner | 125 µm |
| Type of liner | PET film |
| Total thickness | 300 µm |
| Backing material | none |
| Color | transparent |
Properties / Performance Values
| Refractive index | 1.48 |
| Humidity resistance | good |
| Tack | very good |
| Ageing resistance (UV) | good |
| Transmittance (380 - 780nm) > | 99 % |
| Haze | 0.4 % |
Adhesion to Values
| Adhesion to Glass (after UV curing) | 13.9 N/cm |
| Adhesion to PET (after UV curing) | 8.6 N/cm |
| Adhesion to PMMA (after UV curing) | 13.1 N/cm |
| Adhesion to PC (after UV curing) | 14.4 N/cm |
Additional Info
- UV curing dosage: above 5000 mJ per square centimeter (measured on OCA surface, UVA 320-380nm)
- 75µm easy release PET liner outside of the roll
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.
