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® 69612 Optically Clear Adhesive
300µm UV-curable optically clear adhesive tape
Product description
tesa® 69612 is a highly transparent UV-curable transfer tape produced under controlled clean room conditions and designed for optically clear lamination of rigid and flexible substrates.
Special features:
- Good gap filling performance
- Excellent suppression of delay bubbles even in harsh environments
- Excellent whitening resistance
- High bonding strength
Product details and specifications
Application Fields
- Optically clear lamination of two rigid substrates especially in various types of capacitive touch panel designs
- Bonding of displays to cover lens
- Other optical lamination with high tolerance coverage demand
Product Construction
| Adhesive Type | pure acrylic |
|---|---|
| Backing material | none |
| Color | transparent |
| Liner Type | PET film |
| Thickness of easy release liner | 75 µm |
| Thickness of tight release liner | 125 µm |
| Total thickness | 300 µm |
Product Construction
| Adhesive Type | pure acrylic |
|---|---|
| Backing material | none |
| Color | transparent |
| Liner Type | PET film |
| Thickness of easy release liner | 75 µm |
| Thickness of tight release liner | 125 µm |
| Total thickness | 300 µm |
Properties / Performance Values
| Ageing resistance (UV) | very good |
|---|---|
| Tack | good |
| Haze | 0.4 % |
| Transmittance (380 - 780nm) > | 99 % |
| Humidity resistance | good |
| Refractive index | 1.48 |
Properties / Performance Values
| Ageing resistance (UV) | very good |
|---|---|
| Tack | good |
| Haze | 0.4 % |
| Transmittance (380 - 780nm) > | 99 % |
| Humidity resistance | good |
| Refractive index | 1.48 |
Adhesion to Values
| Adhesion to Glass (after UV curing) | 15.9 N/cm |
|---|---|
| Adhesion to PC (after UV curing) | 13.1 N/cm |
| Adhesion to PET (after UV curing) | 10.4 N/cm |
| Adhesion to PMMA (after UV curing) | 13.7 N/cm |
Adhesion to Values
| Adhesion to Glass (after UV curing) | 15.9 N/cm |
|---|---|
| Adhesion to PC (after UV curing) | 13.1 N/cm |
| Adhesion to PET (after UV curing) | 10.4 N/cm |
| Adhesion to PMMA (after UV curing) | 13.7 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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