Additional Info
- Recommended curing dosage: 3000mJ per cm² (UVA 365nm) on adhesive surface.
- Also possible to cure with 405nm LED.
tesa® 69302 Optically Clear Adhesive
50µm UV-curable optically clear tape
Product Features
- Very good ink step coverage
- Highest bonding strength (peel, tensile, shock)
- Excellent reliability & bubble suppression
Product description
tesa® 69302 is a highly transparent transfer tape produced under controlled clean room conditions and designed for optical clear lamination. It is a UV-curable tape which can be cured under UVA and UVV (<410nm) wavelength.
Product details and specifications
Product Features
- Very good ink step coverage
- Highest bonding strength (peel, tensile, shock)
- Excellent reliability & bubble suppression
- Can be cured through plastic and polarizers
Application Fields
- Optically clear lamination of displays to cover glass
- Optically clear lamination of plastics
- Suitable for thinnest design gaps
Product Construction
| Adhesive Type | acrylic |
|---|---|
| Backing material | none |
| Color | transparent |
| Color of liner | transparent |
| Liner Type | PET |
| Thickness of easy release liner | 50 µm |
| Thickness of tape | 50 µm |
| Thickness of tight release liner | 75 µm |
Product Construction
| Adhesive Type | acrylic |
|---|---|
| Backing material | none |
| Color | transparent |
| Color of liner | transparent |
| Liner Type | PET |
| Thickness of easy release liner | 50 µm |
| Thickness of tape | 50 µm |
| Thickness of tight release liner | 75 µm |
Properties / Performance Values
| WVTR (38°C, 90%RH) | 1,420 g/sqm*d |
|---|---|
| Haze | 0.5 % |
| Ageing resistance (UV) | very good |
| Refractive index | 1.47 |
| Release of liner - outside | tight |
| Gap filling | 40 % |
| Transmittance (380 - 780nm) > | 99 % |
| Release of liner - inside | easy |
| Dielectric constant | 5.74 |
| Humidity resistance | very good |
Properties / Performance Values
| WVTR (38°C, 90%RH) | 1,420 g/sqm*d |
|---|---|
| Haze | 0.5 % |
| Ageing resistance (UV) | very good |
| Refractive index | 1.47 |
| Release of liner - outside | tight |
| Gap filling | 40 % |
| Transmittance (380 - 780nm) > | 99 % |
| Release of liner - inside | easy |
| Dielectric constant | 5.74 |
| Humidity resistance | very good |
Adhesion to Values
| Adhesion to Glass (initial) | 3 N/cm |
|---|---|
| Adhesion to Glass (after UV curing) | 10.8 N/cm |
| Adhesion to PC (after UV curing) | 12.4 N/cm |
| Adhesion to PET (after UV curing) | 4.8 N/cm |
| Adhesion to PMMA (after UV curing) | 6.8 N/cm |
| Adhesion to Polarizer (after UV curing) | 7.7 N/cm |
Adhesion to Values
| Adhesion to Glass (initial) | 3 N/cm |
|---|---|
| Adhesion to Glass (after UV curing) | 10.8 N/cm |
| Adhesion to PC (after UV curing) | 12.4 N/cm |
| Adhesion to PET (after UV curing) | 4.8 N/cm |
| Adhesion to PMMA (after UV curing) | 6.8 N/cm |
| Adhesion to Polarizer (after UV curing) | 7.7 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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