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tesa® 4580

Highly Permeable Venting tape

  • The high air permeability allows the foam to expand fast for efficient foaming process
  • The permeability for air and other gases is homogeneously spread to ensure constant foaming results
  • Works as a barrier against foams to decrease foam leakage and cleaning effort
  • Unwinds gently to avoid curling which makes the handling easier in order to reduce process time
  • Easily torn by hand for an increased working efficiency
  • Is conformable to shaped structures
  • Allows an exchange of moisture and other gases

Product description

tesa® 4580 is a single-sided tape for venting applications. It is based on a porous nonwoven fabric coated a selected pattern of adhesive dots. The selected design ensures an outstanding air permeability. It is an ideal solution to increase efficiency in your foaming processes.

Application Fields

The venting tape is used to cover holes during foaming processes in different industries

  • Designed for appliances where the foam is used to insulate fridges and freezers, as well as to stabilize the body
  • In production of special vehicles such as refrigerator trucks

Product Construction

Elongation at break 8 %
Type of adhesive acrylic
Tensile strength 35 N/cm
Total thickness 160 µm
Backing material non-woven
Color white

Properties / Performance Values

Low unwinding force very good
Air permeability 52 cm³/cm²xs
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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