tesa® 7250

Product description

tesa® 7250 is a deep black, single-sided self-adhesive tape consisting of a black PET film backing and a black tackified acrylic adhesive

tesa® 7250 features:
  • Thickness: 50µm
  • Excellent light blocking performance
  • High peel strength and shear resistance
  • Very good repulsion resistance
  • Handles very well in converting processes
  • Excellent resistance to demanding environmental conditions
  • Very good removability on common plastic and metalic substrates
  • Pinhole-free product design

Application Fields

  • Fixing of cables or constructive parts in LED light sources or Flat Panel displays
  • Light shielding in consumer electronics parts
  • Electrical insulation

Product Construction

Backing material PET film
Temperature resistance long term 212 °F
Temperature resistance short term 392 °F
Tensile strength 17.13 lbs/in
Total thickness 1.96 mils
Transmittance (380 - 780nm) < 0.02 %
Type of adhesive acrylic

Properties / Performance Values

Elongation at break 50 %
Dielectric breakdown voltage 4000 volt
Ageing resistance (UV) ++
Humidity resistance +
Softener resistance ++
Static shear resistance at 73,4 °F ++
Static shear resistance at 104 °F ++

Adhesion to Values

Adhesion to ABS (after 14 days) 42.94 oz/in
Adhesion to ABS (initial) 35.63 oz/in
Adhesion to aluminium (after 14 days) 48.42 oz/in
Adhesion to Aluminium (initial) 34.71 oz/in
Adhesion to Glass (after 14 days) 44.76 oz/in
Adhesion to Glass (initial) 39.28 oz/in
Adhesion to PC (after 14 days) 47.5 oz/in
Adhesion to PC (initial) 35.63 oz/in
Adhesion to Steel (after 14 days) 48.42 oz/in
Adhesion to Steel (initial) 38.37 oz/in
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