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Product information

tesa® 4965 Differential

165µm double sided transparent asymmetrical film tape

Product description

tesa® 4965 Differential is an asymmetrical transparent double-sided self-adhesive tape consisting of a PET backing and a tackified acrylic adhesive.The covered side of tesa® 4965 Differential has a high coating weight for maximum flexibility and versatility on multiple surface demands. The open side has a reduced coating weight which delivers a secure bond to flat profiles laminated under controlled conditions.
tesa® 4965 Differential is based on a patented and protected product formulation. Several products are equipped with this unique and high performing product design and together these products make up Team 4965. This double-sided film tape assortment helps to easily select the most efficient tape based on customer demands, products, and processes. tesa® 4965 Differential can be ordered using the product number tesa® 51865. Explore the benefits of the full tesa® 4965 assortment here.
tesa® 4965 Differential features:
  • Excellent bond to extruded trims and profiles
  • Reliable bond even to LSE substrates
  • Immediate usability right after assembly
  • Suitability for most demanding applications such as heavy stress, high temperatures or critical substrates

Main applications

  • Mounting of decorative trims and profiles in the furniture industry
  • Lamination of magnetic stripes
  • Roller blind production
  • Equipping extruded plastic profiles with transparent double sided film tape

Additional Info

Liner variants:
PV2: brown glassine paper (78μm; 90g/m²)
PV6: red MOPP-film (80μm; 72g/m²)
PV15: blue PE film (100μm; 100g/m²)



Technical properties

Total thickness

165 µm

Elongation at break

55 %



Type of adhesive

tackified acrylic

Tensile strength

20 N/cm

Backing material

PET film

Adhesion properties

Adhesion to ABS (covered side, after 14 days)

13 N/cm

Adhesion to Aluminium (covered side, initial)

12 N/cm

Adhesion to Steel (initial)

10.7 N/cm

Adhesion to Steel (covered side, after 14 days)

13.7 N/cm

Adhesion to PC (after 14 days)

12 N/cm

Adhesion to PVC (covered side, initial)

9 N/cm

Adhesion to PE (initial)

6.5 N/cm

Adhesion to PC (covered side, after 14 days)

15 N/cm

Adhesion to PE (covered side, initial)

7 N/cm

Adhesion to PS (after 14 days)

11 N/cm

Adhesion to Steel (after 14 days)

13.7 N/cm

Adhesion to PS (covered side, after 14 days)

13.5 N/cm

Adhesion to PET (after 14 days)

9.5 N/cm

Adhesion to Aluminium (after 14 days)

9.5 N/cm

Adhesion to Steel (covered side, initial)

10.7 N/cm

Adhesion to ABS (initial)

9.5 N/cm

Adhesion to PET (covered side, initial)

10 N/cm

Adhesion to PP (initial)

7 N/cm

Adhesion to PP (covered side, after 14 days)

8.5 N/cm

Adhesion to PC (initial)

9 N/cm

Adhesion to PE (after 14 days)

7 N/cm

Adhesion to PVC (covered side, after 14 days)

14 N/cm

Adhesion to ABS (covered side, initial)

12 N/cm

Adhesion to PVC (initial)

7 N/cm

Adhesion to PC (covered side, initial)

13 N/cm

Adhesion to PS (covered side, initial)

12 N/cm

Adhesion to PET (initial)

9 N/cm

Adhesion to PE (covered side, after 14 days)

8 N/cm

Adhesion to Alu (covered side, after 14 days)

12.5 N/cm

Adhesion to Aluminium (initial)

9 N/cm

Adhesion to PS (initial)

9 N/cm

Adhesion to ABS (after 14 days)

10 N/cm

Adhesion to PET (covered side, after 14 days)

10.5 N/cm

Adhesion to PVC (after 14 days)

11 N/cm

Adhesion to PP (after 14 days)

8 N/cm

Adhesion to PP (covered side, initial)

8 N/cm

Rating properties

Humidity resistance




Static shear resistance at 23°C


Softener resistance


Resistance to chemicals


Ageing resistance (UV)


Static shear resistance at 40°C


Temperature resistance short term

200 °C

Temperature resistance long term

100 °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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