Electronics, PET, Black, Light Management
Product information

tesa ® 7905

5 µm single sided matte black filmic tape

Product description

tesa ® 7905 is a matte black single sided tape consisting of an ultra-thin PET film backing and tackified acrylic adhesive

Special features:
  • Thickness: 5µm
  • Strong & reliable bonding force
  • Refined matte black color tone
  • Low gloss level of 2.9 %
  • Excellent anti-fingerprint performance
  • Excellent solvent-resistance
  • Good light blocking

Main applications

  • Graphite sheet protection
  • Magnetic sheet protection
  • Ultrathin covering on various components in smartphone and tablet

Technical properties

Optical density


Backing material

PET film

Total thickness

5 µm

Type of adhesive


Elongation at break

10 %

Tensile strength

30 N/cm

Type of liner


Colour of liner


Thickness of liner

50 µm

Temperature resistance short term

140 °C

Surface resistance

3.4 10^6 Ω

Surface resistivity

1.2 10^8 Ωm

Dielectric breakdown voltage

700 volt

Adhesion properties

Adhesion to ASTM (after 14 days)

1 N/cm

Adhesion to ASTM (initial)

0.9 N/cm

Adhesion to Glass (after 14 days)

1 N/cm

Adhesion to Glass (initial)

1 N/cm

Adhesion to PC (after 14 days)

1.4 N/cm

Adhesion to PC (initial)

0.9 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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