Electronics, PET, Black, Light Management

Product information

tesa® 7520

20µm black matt single-sided tape

Product description

tesa® 7520 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
  • Matte black surface with very good scratch and fingerprint resistance
  • High peel strength and shear resistance
  • Excellent repulsion resistance
  • Excellent resistance to demanding environmental conditions

Main applications

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

Technical properties

Backing material

PET film

Total thickness

0.78 mils

Type of adhesive


Elongation at break

60 %

Tensile strength

4.96 lbs/in

Type of liner


Color of liner


Thickness of liner

1.96 mils

Temperature resistance short term

266 °F

Temperature resistance long term

140 °F

Dielectric breakdown voltage

1500 volt

Transmittance (380 - 780nm) <

0.00 %

Adhesion properties

Adhesion to ABS (after 14 days)

23.75 oz/in

Adhesion to ABS (initial)

17.35 oz/in

Adhesion to aluminium (after 14 days)

23.75 oz/in

Adhesion to Aluminium (initial)

17.35 oz/in

Adhesion to Glass (after 14 days)

21.01 oz/in

Adhesion to Glass (initial)

17.35 oz/in

Adhesion to PC (after 14 days)

25.58 oz/in

Adhesion to PC (initial)

18.27 oz/in

Adhesion to Steel (after 14 days)

22.84 oz/in

Adhesion to Steel (initial)

17.35 oz/in

Rating properties



Ageing resistance (UV)


Humidity resistance


Softener resistance


Static shear resistance at 73,4 °F


Static shear resistance at 104 °F


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.


Related products