tesa® 7250
50μm single sided solid black filmic tape
Product Features- Thickness: 50μm
- Very good light blocking performance
- High peel strength and shear resistance
Product description
tesa® 7250 is a deep black, single sided self-adhesive tape consisting of a black PET film backing and a black tackified acrylic adhesive.
Product Features
- Thickness: 50μm
- Very good light blocking performance
- High peel strength and shear resistance
- Very good repulsion resistance properties
- Very good handling performance in converting processes
- Excellent resistance to demanding environmental conditions
- Very good removability on common plastic and metal substrates
- Pin whole free product design
Application Fields
- Fixing of cables or constructive parts in LED light sources or Flat Panel displays
- Light shielding in consumer electronics parts
- Electrical insulation
Product Construction
| Backing material | PET |
| Type of adhesive | tackified acrylic |
Properties / Performance Values
| Elongation at break | 50 % |
| Tensile strength | 30 N/cm |
| Ageing resistance (UV) | very good |
| Dielectric breakdown voltage | 4000 V |
| Humidity resistance | good |
| Optical density | 3.7 |
| Softener resistance | very good |
| Static shear resistance at 23°C | very good |
| Static shear resistance at 40°C | very good |
| Temperature resistance long term | 100 °C |
| Temperature resistance short term | 200 °C |
Adhesion to Values
| Adhesion to ABS (initial) | 3.9 N/cm |
| Adhesion to ABS (after 14 days) | 4.7 N/cm |
| Adhesion to Aluminium (initial) | 3.8 N/cm |
| Adhesion to Aluminium (after 14 days) | 5.3 N/cm |
| Adhesion to Glass (initial) | 4.3 N/cm |
| Adhesion to Glass (after 14 days) | 4.9 N/cm |
| Adhesion to PC (initial) | 3.9 N/cm |
| Adhesion to PC (after 14 days) | 5.2 N/cm |
| Adhesion to Steel (initial) | 4.2 N/cm |
| Adhesion to Steel (after 14 days) | 5.3 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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