tesa® 68830

30µm double sided solid black filmic tape

Product Features
  • Thickness: 30µm
  • Excellent light blocking properties
  • High and reliable bonding strength
All product features

Product description

tesa® 68830 is a doulbe-sided self-adhesive tape consisting of a solid black PET film backing and a tackified acrylic adhesive.

Product Features

  • Thickness: 30µm
  • Excellent light blocking properties
  • High and reliable bonding strength
  • Very good 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

Backing material PET film
Color black
Total thickness 30 µm
Type of adhesive tackified acrylic

Properties / Performance Values

Elongation at break 60 %
Tensile strength 12 N/cm
Ageing resistance (UV) very good
Humidity resistance very good
Static shear resistance at 23°C good
Temperature resistance long term 70 °C
Temperature resistance short term 130 °C
Transmittance (380 - 780nm) < 0.01 %

Adhesion to Values

Adhesion to ABS (after 14 days) 4.9 N/cm
Adhesion to Glass (initial) 4.2 N/cm
Adhesion to Glass (after 14 days) 4.8 N/cm
Adhesion to PE (initial) 1.7 N/cm
Adhesion to PE (after 14 days) 2 N/cm
Adhesion to PET (initial) 4 N/cm
Adhesion to PET (after 14 days) 4.5 N/cm
Adhesion to Steel (initial) 3.9 N/cm
Adhesion to Steel (after 14 days) 5.2 N/cm
Adhesion to ABS (initial) 4 N/cm

Additional Info

PV57: double sided PET liners (36µm easy-release inside / 50µm tight-release outside)
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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