Electronics, Non-woven, Translucent, Double-sided, FPC

Product information

tesa® 4940

160µm double sided translucent non-woven tape

Product description

tesa® 4940 is a translucent, double-sided self-adhesive tape consisting of a non-woven backing and a tackified acrylic adhesive.

tesa® 4940 features especially:

  • High adhesion level on various kinds of foams, plastic and metal surfaces
  • Excellent temperature resistance performance
  • Good repulsion resistance
  • Thick PE-coated paper liner to ensure excellent diecuttability

Main applications

  • Mounting of plastic and foam parts, heavy paper or cardboard, textile, leather and felt

Technical properties

Backing material




Total thickness

160 µm

Type of adhesive

tackified acrylic

Type of liner

PE-coated paper

Adhesion properties

Adhesion to ABS (after 14 days)

13.6 N/cm

Adhesion to ABS (initial)

8 N/cm

Adhesion to Glass (after 14 days)

10.3 N/cm

Adhesion to Glass (initial)

8.9 N/cm

Adhesion to PC (after 14 days)

13.2 N/cm

Adhesion to PC (initial)

10.1 N/cm

Adhesion to PE (after 14 days)

3.8 N/cm

Adhesion to PE (initial)

2.9 N/cm

Adhesion to Steel (after 14 days)

11.3 N/cm

Adhesion to Steel (initial)

9.3 N/cm

Rating properties

Temperature resistance short term

150 °C

Temperature resistance long term

80 °C



Ageing resistance (UV)


Humidity resistance


Resistance to chemicals


Softener resistance


Static shear resistance at 23°C


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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