tesa® 8920 Preliminary PI

20 µm single sided matte black filmic tape

Product description

tesa® 8920 is a matte single sided self-adhesive tape consisting of an ultra-thin PET film backing and a black tackified acrylic adhesive

Special features:
  • Thickness: 20µm
  • High peel strength
  • Excellent repulsion resistance properties
  • Good insulation properties
  • Good light blocking
  • Ultra matte black surface with a gloss level of 2.5 %
  • Excellent anti-fingerprint performance
  • Very good scratch resistance
  • Good handling in high speed processing

Main applications

  • FPC covering and insulation
  • 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

Technical properties

Elongation at break

82 %

Type of adhesive


Type of liner


Colour of liner


Tensile strength

13.5 N/cm

Total thickness

20 µm

Thickness of liner

50 µm

Backing material

PET film

Optical density


Temperature resistance long term

60 °C

Temperature resistance short term

130 °C

Dielectric breakdown voltage

2300 volt

Adhesion properties

Adhesion to Steel (initial)

3.5 N/cm

Adhesion to PC (after 14 days)

4 N/cm

Adhesion to PC (initial)

2.9 N/cm

Adhesion to Steel (after 14 days)

4.3 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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