tesa® 7920

20µm single sided matte black filmic tape

Product description

tesa® 7920 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: 20µm
  • 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

Application Fields

  • Fixation in LED light sources or Flat Panel displays
  • Light shielding in consumer electronics parts
  • Graphite sheet covering, protection and fixation
  • NFC antenna covering, protection and fixation

Product Construction

Type of adhesive acrylic
Type of liner PET
Colour of liner transparent
Total thickness 20 µm
Thickness of liner 50 µm
Backing material PET film

Properties / Performance Values

Elongation at break 60 %
Tensile strength 8.7 N/cm
Optical density 4
Temperature resistance long term 60 °C
Temperature resistance short term 130 °C
Dielectric breakdown voltage 1500 V

Adhesion to Values

Adhesion to Steel (initial) 1.9 N/cm
Adhesion to PC (after 14 days) 2.8 N/cm
Adhesion to ABS (initial) 1.9 N/cm
Adhesion to ABS (after 14 days) 2.6 N/cm
Adhesion to Aluminium (after 14 days) 2.6 N/cm
Adhesion to PC (initial) 2 N/cm
Adhesion to Glass (after 14 days) 2.3 N/cm
Adhesion to Glass (initial) 1.9 N/cm
Adhesion to Aluminium (initial) 1.9 N/cm
Adhesion to Steel (after 14 days) 2.5 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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