Product information

tesa® 51014

215 μm double-sided non-woven tape with tackified acrylic adhesive and a differential adhesion level suitable for a wide range of rough materials

Product description

tesa® 51014 is a 215 μm double-sided self-adhesive tape consisting of a non-woven backing and a tackified acrylic adhesive. This tape is characterized by its differential adhesion properties for an excellent bonding strength on a wide range of materials, particularly very rough surfaces. Compared to the open side, the covered side has a higher coating weight, and therefore offers a higher adhesion.

tesa® 51014 has been designed for excellent performance on rough surfaces like leather and textiles, plaster and stone, or other rough materials.

Main features
▪ Differential bonding strength
▪ Very good performance on rough surfaces
▪ High initial tack
▪ Superior adhesion level on covered side
▪ Lower adhesion level on open side

Main applications

tesa® 51014 is suitable for various types of mounting applications.

Example applications are:
▪ Mounting car roof linings in car production
▪ Mounting cables and wire harnesses to headliners for automotive interiors
▪ Mounting leather and textiles as sewing support
▪ Laminating foamed materials in combination with smooth materials on the open side

To ensure the highest performance possible, our aim is to fully understand your application (including the substrates involved) in order to provide the right product recommendation.


Technical properties

Elongation at break

3 %

Type of adhesive

tackified acrylic

Type of liner


Color of liner


Tensile strength

12 N/cm

Weight of liner

82 g/m²

Total thickness

215 µm

Backing material


Adhesion properties

Adhesion to PC (covered side, initial)

12.8 N/cm

Adhesion to PET (covered side, after 14 days)

11.8 N/cm

Adhesion to Steel (initial)

7.3 N/cm

Adhesion to PE (initial)

5.2 N/cm

Adhesion to PC (after 14 days)

12.9 N/cm

Adhesion to PS (after 14 days)

7.5 N/cm

Adhesion to Aluminium (covered side, initial)

10.8 N/cm

Adhesion to PS (covered side, initial)

12.1 N/cm

Adhesion to PE (covered side, after 14 days)

8.6 N/cm

Adhesion to ABS (initial)

6.5 N/cm

Adhesion to ABS (after 14 days)

7.6 N/cm

Adhesion to PP (after 14 days)

5.8 N/cm

Adhesion to PVC (covered side, initial)

8.8 N/cm

Adhesion to PET (after 14 days)

5.9 N/cm

Adhesion to Aluminium (after 14 days)

6.3 N/cm

Adhesion to ABS (covered side, after 14 days)

13.1 N/cm

Adhesion to PP (covered side, initial)

10.6 N/cm

Adhesion to PC (initial)

6.8 N/cm

Adhesion to PVC (initial)

5.9 N/cm

Adhesion to PE (covered side, initial)

7.5 N/cm

Adhesion to Steel (covered side, after 14 days)

12.9 N/cm

Adhesion to PET (covered side, initial)

10 N/cm

Adhesion to PE (after 14 days)

5.6 N/cm

Adhesion to PS (initial)

6.6 N/cm

Adhesion to ABS (covered side, initial)

11.3 N/cm

Adhesion to PET (initial)

5.5 N/cm

Adhesion to Alu (covered side, after 14 days)

12.1 N/cm

Adhesion to PC (covered side, after 14 days)

16 N/cm

Adhesion to Aluminium (initial)

5.9 N/cm

Adhesion to PS (covered side, after 14 days)

12.9 N/cm

Adhesion to PVC (covered side, after 14 days)

13.8 N/cm

Adhesion to PP (initial)

5.2 N/cm

Adhesion to Steel (after 14 days)

8.6 N/cm

Adhesion to Steel (covered side, initial)

11.7 N/cm

Adhesion to PVC (after 14 days)

9.5 N/cm

Adhesion to PP (covered side, after 14 days)

13.3 N/cm

Rating properties

Temperature resistance long term

80 °C

Temperature resistance short term

200 °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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