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tesa® 68790
15µm double sided high temperature resistant PI tape
- Superior temperature resistance up to 260 °C
- Ultra-thin design: 15µm
- Excellent resistance to demanding environmental conditions
- Very good handling performance in converting processes
- Fish-eye/bubble free due to double-sided PET liner
Product description
tesa® 68790 is an amber, double-sided self-adhesive tape consisting of a polyimide film backing with a special high temperature resistant adhesive.
Color: amber
Color: amber
Application Fields
1 Ferrite sheets lamination before SMT (260°C) with ultra-thin design requirement
- Electronic components permanent mounting applications, subjected to high temperature & high humidity processing and operating environments
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Product Construction
| Elongation at break | 30 % |
| Type of adhesive | tackified acrylic |
| Color of liner | transparent |
| Tensile strength | 13 N/cm |
| Type of liner (tight release) | PET film |
| Type of liner (easy release) | PET film |
| Total thickness | 15 µm |
| Backing material | Polyimide |
| Color | amber |
Properties / Performance Values
| Humidity resistance | ++ |
| Ageing resistance (UV) | ++ |
| Temperature resistance long term | 100 °C |
| Temperature resistance short term | 260 °C |
Adhesion to Values
| Adhesion to PI (initial) | 2.5 N/cm |
| Adhesion to Steel (initial) | 2.6 N/cm |
| Adhesion to PC (after 14 days) | 3.3 N/cm |
| Adhesion to Steel (initial) | 2.6 N/cm |
| Adhesion to PET (after 14 days) | 2.9 N/cm |
| Adhesion to PC (initial) | 3.2 N/cm |
| Adhesion to PI (after 14 days) | 3.1 N/cm |
| Adhesion to PET (initial) | 2.7 N/cm |
| Adhesion to Steel (after 14 days) | 3.4 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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