tesa® 7950
50µm single sided matte black filmic tape
Product description
tesa® 7950 is a matt single sided self-adhesive tape consisting of an ultra-thin PET film backing and a black tackified acrylic adhesive
Special features:
- Thickness: 50µm
- Very good light blocking performance
- Ultra matte black surface with a gloss level of 2.5 %
- Excellent anti-fingerprint performance
- Very good scratch resistance
- High peel strength and shear resistance
- Excellent repulsion resistance properties
- Excellent resistance to demanding environmental conditions
Product details and specifications
Application Fields
- Fixation in LED light sources or Flat Panel displays
- Light shielding in consumer electronics parts
Product Construction
| Backing material | PET film |
|---|---|
| Colour of liner | transparent |
| Thickness of liner | 50 µm |
| Total thickness | 50 µm |
| Type of adhesive | acrylic |
| Type of liner | PET |
Product Construction
| Backing material | PET film |
|---|---|
| Colour of liner | transparent |
| Thickness of liner | 50 µm |
| Total thickness | 50 µm |
| Type of adhesive | acrylic |
| Type of liner | PET |
Properties / Performance Values
| Elongation at break | 60 % |
|---|---|
| Tensile strength | 36.7 N/cm |
| Temperature resistance short term | 130 °C |
| Temperature resistance long term | 60 °C |
| Optical density | 5.7 |
| Dielectric breakdown voltage | 4500 V |
Properties / Performance Values
| Elongation at break | 60 % |
|---|---|
| Tensile strength | 36.7 N/cm |
| Temperature resistance short term | 130 °C |
| Temperature resistance long term | 60 °C |
| Optical density | 5.7 |
| Dielectric breakdown voltage | 4500 V |
Adhesion to Values
| Adhesion to ABS (initial) | 4 N/cm |
|---|---|
| Adhesion to ABS (after 14 days) | 5 N/cm |
| Adhesion to Aluminium (initial) | 4 N/cm |
| Adhesion to Aluminium (after 14 days) | 4.6 N/cm |
| Adhesion to Glass (initial) | 3.8 N/cm |
| Adhesion to Glass (after 14 days) | 4.7 N/cm |
| Adhesion to PC (initial) | 3.8 N/cm |
| Adhesion to PC (after 14 days) | 5 N/cm |
| Adhesion to Steel (initial) | 4 N/cm |
| Adhesion to Steel (after 14 days) | 4.6 N/cm |
Adhesion to Values
| Adhesion to ABS (initial) | 4 N/cm |
|---|---|
| Adhesion to ABS (after 14 days) | 5 N/cm |
| Adhesion to Aluminium (initial) | 4 N/cm |
| Adhesion to Aluminium (after 14 days) | 4.6 N/cm |
| Adhesion to Glass (initial) | 3.8 N/cm |
| Adhesion to Glass (after 14 days) | 4.7 N/cm |
| Adhesion to PC (initial) | 3.8 N/cm |
| Adhesion to PC (after 14 days) | 5 N/cm |
| Adhesion to Steel (initial) | 4 N/cm |
| Adhesion to Steel (after 14 days) | 4.6 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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