tesa® 4576 PV0

Venting tape

Product description

tesa® 4576 is a highly elastic single sided adhesive tape. It consists of a PET/cellulose non-woven fabric coated with an acrylic adhesive.
Its high gas permeability through the adhesive and non woven carrier makes it the ideal barrier solution for any kind of foaming processes.

  • gas permeable backing and adhesive
  • low unwinding force
  • conformable and elastic
  • moisture resistant
  • waterproof
  • ageing-resistant

Application Fields

  • Venting tape for foaming processes e.g. refrigerators
  • Suitable for applications in the automotive industry, e.g. production of dashboards

Product Construction

Thickness of tape 140 µm
Type of adhesive acrylic
Backing material non-woven
Color white

Properties / Performance Values

Elongation at break 17 %
Low unwinding force good
Tensile strength 10 N/cm
Ageing resistance (UV) very good
Operation temperature up to 160 °C
Hand tearability good
Air permeability 6 cm³/cm²xs
Solvent free yes
Temperature resistance 160 °C

Adhesion to Values

Adhesion to PE (initial) 0.8 N/cm
Adhesion to ABS (initial) 2.2 N/cm
Adhesion to PS (initial) 2 N/cm
Adhesion to steel 1 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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