tesa® 4580 Highly Permeable

Venting tape

Product description

tesa® 4580 is a premium single sided Venting Tape. It is based on a non-woven fabric coated with an acrylic dispersion adhesive. Venting Tape is mainly used to cover (temporary) holes during foaming processes in several industries.
This product has a high and homogeneous air permeability. Due to dotted adhesive coating the backing is only selective but not fully covered by adhesive.

  • Excellent air permeability due to extraordinary type of adhesive coating
  • Special acrylic dispersion adhesive with well-balanced properties
  • Very good unwinding properties for fast application
  • Conformable and elastic
  • Excellent barrier function against various polymeric foams/polyurethans
  • Very conformable and elastic
  • Easy to tear by hand

Product Construction

Thickness of tape
Type of adhesive acrylic
Total thickness 160 µm
Backing material non-woven
Colour white

Properties / Performance Values

Elongation at break 8 %
Low unwinding force very good
Tensile strength 35 N/cm
Ageing resistance (UV) very good
Operation temperature up to 160 °C
Hand tearability good
Air permeability 52 cm³/cm²xs
Solvent free yes
Temperature resistance 160 °C

Adhesion to Values

Adhesion to PE (initial) 0.3 N/cm
Adhesion to ABS (initial) 1.4 N/cm
Adhesion to PS (initial) 1.1 N/cm
Adhesion to steel 1.5 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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