Electronics, PET, Black, Light Management

Product information

tesa ^® 7930

Name: tesa® 7930
Brand: tesa®

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 adhesive

Special 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

Optical density

5.1

Backing material

PET film

Total thickness

30 µm

Type of adhesive

acrylic

Elongation at break

70 %

Tensile strength

20 N/cm

Type of liner

PET

Colour of liner

transparent

Thickness of liner

50 µm

Temperature resistance short term

130 °C

Temperature resistance long term

60 °C

Dielectric breakdown voltage

3500 volt

Adhesion properties

Adhesion to ABS (after 14 days)

3.2 N/cm

Adhesion to ABS (initial)

2.6 N/cm

Adhesion to Aluminium (after 14 days)

3 N/cm

Adhesion to Aluminium (initial)

2.3 N/cm

Adhesion to Glass (after 14 days)

2.8 N/cm

Adhesion to Glass (initial)

2 N/cm

Adhesion to PC (after 14 days)

3 N/cm

Adhesion to PC (initial)

2.2 N/cm

Adhesion to Steel (after 14 days)

3 N/cm

Adhesion to Steel (initial)

2.6 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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