tesa® 68822

50µm double sided high bond solid black film tape

Product description

tesa® 68822 is a double-sided self-adhesive tape consisting of a solid black PET film backing and a tackified acrylic adhesive.
Special features:
  • Thickness: 50µm
  • Excellent light blocking properties
  • Very good bonding strength
  • Superior push-out resistance
  • Excellent resistance to demanding environmental conditions
  • Easy handling performance in converting processes

Application Fields

  • LCD panel mounting on backlight unit of display module
  • LED light bar fixing
  • Light shielding and light blocking of key components

Product Construction

Type of adhesive tackified acrylic
Thickness of liner - inside 36 µm
Type of liner - outside PET
Thickness of liner - outside 36 µm
Colour of liner transparent
Total thickness 50 µm
Backing material PET film
Color black
Type of liner - inside PET

Properties / Performance Values

Elongation at break 60 %
Humidity resistance very good
Tack low
Tensile strength 12 N/cm
Ageing resistance (UV) very good
Static shear resistance at 40°C very good
Transmittance (380 - 780nm) < 0.01 %

Adhesion to Values

Adhesion to Steel (initial) 7.1 N/cm
Adhesion to ABS (initial) 6 N/cm
Adhesion to ABS (after 14 days) 7.3 N/cm
Adhesion to Glass (after 14 days) 7.6 N/cm
Adhesion to Glass (initial) 7.3 N/cm
Adhesion to Steel (after 14 days) 10 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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