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Product information

tesa® 4129

Single-Sided Tape

Product description

tesa® 4129 is a transparent tape with a PET backing. Its acrylic adhesive system combines good initial tack with high shear strength. The product is resistant to humidity and most chemicals.

Main applications

tesa® 4129 is particularly suitable for
  • Splicing of filmic materials
  • Edge protection and reinforcement
  • Splicing of photographic negatives
  • Litho mounting

Additional Info

  • Temperature resistance (short term): 200°C
  • Dielectric Strength: 90,4 kV/mm
  • Surface resistivity 4,45E+14 Ω
  • Volume resistivity 7,36E+15 Ωcm

  • Dielectric strength according to DIN EN 60243-1
  • Surface / Volume resistivity according to DIN IEC 60093



Technical properties

Elongation at break

140 %

Type of adhesive


Total thickness

50 µm

Backing material

PET film

Adhesion to steel

2.3 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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