Electronics, PET, Black, Light Management

Product information

tesa® 7650

50µm double sided solid black filmic tape



Product description

tesa® 7650 is a double-sided self-adhesive tape consisting of a black PET film backing and a black tackified acrylic adhesive

Special features:

  • Thickness: 50µm
  • Very high bonding strength and shear resistance
  • Good light shading properties
  • Good handling performance in converting processes
  • Excellent resistance to demanding environmental conditions

Main applications

  • Mounting of LCD panel and backlight unit
  • Light blocking in displays and mobile phone applications

Technical properties

Backing material

PET film

Color

black

Total thickness

50 µm

Type of adhesive

tackified acrylic

Elongation at break

50 %

Tensile strength

30 N/cm

Type of liner

glassine

Colour of liner

white with tesa logo

Thickness of liner

71 µm

Dielectric breakdown voltage

4000 volt

Transmittance (380 - 780nm) <

0.6 %

Adhesion properties

Adhesion to ABS (after 14 days)

5 N/cm

Adhesion to ABS (initial)

5 N/cm

Adhesion to Glass (after 14 days)

6 N/cm

Adhesion to Glass (initial)

5 N/cm

Adhesion to PE (after 14 days)

4 N/cm

Adhesion to PE (initial)

2.8 N/cm

Adhesion to PET (after 14 days)

5 N/cm

Adhesion to PET (initial)

4 N/cm

Adhesion to Steel (after 14 days)

7 N/cm

Adhesion to Steel (initial)

5 N/cm

Rating properties

Temperature resistance short term

150 °C

Tack

o

Ageing resistance (UV)

++

Humidity resistance

+

Softener resistance

++

Static shear resistance at 40°C

+

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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