tesa® 7250

50μm single sided solid black filmic tape

Product Features

Thickness: 50μm
Very good light blocking performance
High peel strength and shear resistance

All product features

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.

Product details and specifications

Product Features

Thickness: 50μm
Very good light blocking performance
High peel strength and shear resistance
Very good repulsion resistance properties
Very good handling performance in converting processes
Excellent resistance to demanding environmental conditions

Application Fields

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

Adhesive Type	tackified acrylic
Backing material	PET

Elongation at break	50 %
Tensile strength	30 N/cm
Static shear resistance at 23°C	very good
Optical density	3.7
Dielectric breakdown voltage	4,000 V
Static shear resistance at 40°C	very good
Temperature resistance short term	200 °C
Temperature resistance long term	100 °C
Humidity resistance	good
Ageing resistance (UV)	very good
Softener resistance	very good

Adhesion to ABS (initial)	3.9 N/cm
Adhesion to ABS (after 14 days)	4.7 N/cm
Adhesion to Aluminium (initial)	3.8 N/cm
Adhesion to Aluminium (after 14 days)	5.3 N/cm
Adhesion to Glass (initial)	4.3 N/cm
Adhesion to Glass (after 14 days)	4.9 N/cm
Adhesion to PC (initial)	3.9 N/cm
Adhesion to PC (after 14 days)	5.2 N/cm
Adhesion to Steel (initial)	4.2 N/cm
Adhesion to Steel (after 14 days)	5.3 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 information_tesa® 07250_en 58.6 kB

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Name of product	tesa® 7250	tesa® 7920	tesa® 7950	tesa® 58377	tesa® 7930	tesa® 67350	tesa® 7910	tesa® 58346	tesa® 67320	tesa® 66320	tesa® 58356	tesa® 58344
Adhesive Type	tackified acrylic	acrylic	acrylic	FR acrylic	acrylic	acrylic	acrylic	tackified acrylic	acrylic	acrylic	tackified acrylic	modified acrylic
Backing material	PET	PET film	PET film	PET	PET film	Polyimide	PET film	PET film	Polyimide	Polyimide	PET	PET
Temperature resistance short term	200 °C	130 °C	130 °C	125 °C	130 °C	140 °C	130 °C		140 °C	140 °C
Temperature resistance long term	100 °C	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	4,000 V	1,500 V	4,500 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	30 N/cm	8.7 N/cm	36.7 N/cm		20 N/cm	20 N/cm	8.7 N/cm		13 N/cm	20 N/cm	165	100 N/cm
Total thickness		20 µm	50 µm	50	30 µm	50 µm	10 µm	90 µm	20 µm	20 µm	130	90 µm

Last updated on Feb 26, 2026