tesa® 7950

50 µm single sided matte black filmic tape


Product Features
  • Thickness: 50µm
  • Very good light blocking performance
  • Ultra matte black surface with a gloss level of 2.5 %
All product features
Product description

tesa® 7950 is a matt single sided self-adhesive tape consisting of an ultra-thin PET film backing and a black tackified acrylic adhesive


Product details and specifications

Product Features

  • Thickness: 50µm
  • 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
Adhesive Type acrylic
Backing material PET film
Color of liner transparent
Liner Type PET
Thickness of liner 50 µm
Total thickness 50 µm
Elongation at break 60 %
Tensile strength 36.7 N/cm
Temperature resistance short term 130 °C
Temperature resistance long term 60 °C
Optical density 5.7
Dielectric breakdown voltage 4,500 V
Adhesion to ABS (initial) 4 N/cm
Adhesion to ABS (after 14 days) 5 N/cm
Adhesion to Aluminium (initial) 4 N/cm
Adhesion to Aluminium (after 14 days) 4.6 N/cm
Adhesion to Glass (initial) 3.8 N/cm
Adhesion to Glass (after 14 days) 4.7 N/cm
Adhesion to PC (initial) 3.8 N/cm
Adhesion to PC (after 14 days) 5 N/cm
Adhesion to Steel (initial) 4 N/cm
Adhesion to Steel (after 14 days) 4.6 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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Product comparison

Name of product tesa® 7950 tesa® 7920 tesa® 58377 tesa® 7930 tesa® 67350 tesa® 7910 tesa® 58346 tesa® 67320 tesa® 66320 tesa® 58356 tesa® 58344
Total thickness
50 µm
20 µm
50
30 µm
50 µm
10 µm
90 µm
20 µm
20 µm
130
90 µm
Adhesive Type
acrylic
acrylic
FR acrylic
acrylic
acrylic
acrylic
tackified acrylic
acrylic
acrylic
tackified acrylic
modified acrylic
Backing material
PET film
PET film
PET
PET film
Polyimide
PET film
PET film
Polyimide
Polyimide
PET
PET
Temperature resistance short term
130 °C
130 °C
125 °C
130 °C
140 °C
130 °C
140 °C
140 °C
Temperature resistance long term
60 °C
60 °C
70 °C
60 °C
85 °C
60 °C
125 °C
85 °C
85 °C
125 °C
125 °C
Dielectric breakdown voltage
4,500 V
1,500 V
4,500 V
3,500 V
3,700 V
1,500 V
12,000 V
2,400 V
3,600 V
13,330 V
12,000 V
Tensile strength
36.7 N/cm
8.7 N/cm
20 N/cm
20 N/cm
8.7 N/cm
13 N/cm
20 N/cm
165
100 N/cm
Last updated on Jul 6, 2026