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tesa® 7930
30 µm single sided matte black filmic tape
Product description
tesa® 7930 is a matt single sided self-adhesive tape consisting of an ultra-thin PET film backing and a black tackified acrylic adhesiveSpecial features:
- Thickness: 30µm
- 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
Main applications
- Fixation in LED light sources or Flat Panel displays
- Light shielding in consumer electronics parts
Technical properties
Elongation at break
70 %
Type of adhesive
acrylic
Type of liner
PET
Colour of liner
transparent
Tensile strength
20 N/cm
Total thickness
30 µm
Thickness of liner
50 µm
Backing material
PET film
Optical density
5.1
Temperature resistance long term
60 °C
Temperature resistance short term
130 °C
Dielectric breakdown voltage
3500 volt
Adhesion properties
Adhesion to Steel (initial)
2.6 N/cm
Adhesion to PC (after 14 days)
3 N/cm
Adhesion to ABS (initial)
2.6 N/cm
Adhesion to ABS (after 14 days)
3.2 N/cm
Adhesion to Aluminium (after 14 days)
3 N/cm
Adhesion to PC (initial)
2.2 N/cm
Adhesion to Glass (after 14 days)
2.8 N/cm
Adhesion to Glass (initial)
2 N/cm
Adhesion to Aluminium (initial)
2.3 N/cm
Adhesion to Steel (after 14 days)
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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