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tesa® 68549
20µm double sided transparent conformable filmic tape
Product description
tesa® 68549 is a transparent, double-sided self-adhesive tape consisting of a thin, conformable PET film backing and a tackified acrylic adhesive.tesa® 68549 features esp.:
- Thickness: 20µm
- Backing thickness: 2µm
- Excellent heat transfer due to low thickness and good wetting
- High adhesion level relative to low thickness
- Excellent conformability and adjustment to curved surfaces
- Excellent resistance to demanding environmental conditions
Main applications
- Mounting of heat spreading parts
- Lamination in NFC antenna
- Very small design gap filling
Technical properties
Type of adhesive
tackified acrylic
Backing material
PET film
Color
transparent
Adhesion properties
Adhesion to Steel (initial)
7.3 N/cm
Adhesion to PE (initial)
2.2 N/cm
Adhesion to PC (after 14 days)
8.2 N/cm
Adhesion to ABS (initial)
6.3 N/cm
Adhesion to ABS (after 14 days)
7.3 N/cm
Adhesion to PC (initial)
8 N/cm
Adhesion to PE (after 14 days)
3.1 N/cm
Adhesion to Steel (after 14 days)
9.7 N/cm
Rating properties
Static shear resistance at 23°C
o
Resistance to chemicals
++
Humidity resistance
++
Tack
-
Ageing resistance (UV)
++
Temperature resistance long term
100 °C
Temperature resistance short term
200 °C
Additional Info
Liner variants:PV57: double sided PET liners (36µm easy-release inside / 50µm tight-release outside)
PV20: brown/blue logo glassine paper (71μm; 82g/m²)
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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