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.

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