tesa® 88665

115 µm double-sided PET film differential tape (Silicone/Acrylic)


The product is available in our partners' shops
Product Features
  • Excellent bonding properties of the silicone adhesive especially to silicone or silicone containing substrates
  • Excellent bonding properties of the acrylic adhesive to a wide range of materials
  • Very good handling performance in converting processes
All product features
Product description

tesa®88665 is a transparent double-sided tape with a PET backing. One side is equipped with a silicone adhesive (easy side), and the other side is equipped with a modified acrylic (tight side). it's designed for the demanding applications where silicone materials must be bonded to a range of substrates.


Product details and specifications

Product Features

  • Excellent bonding properties of the silicone adhesive especially to silicone or silicone containing substrates
  • Excellent bonding properties of the acrylic adhesive to a wide range of materials
  • Very good handling performance in converting processes
  • Great resistance to demanding environmental conditions

Application Fields

  • Silicone foam lamination
  • Silicone rubber mounting (rubber feet, phone case, keypad, gasket etc.)
  • Other critical surface mounting (PP. PE etc.)
Backing material PET
Colour transparent
Total thickness 115 µm
Type of adhesive (easy release) silicone
Type of adhesive (tight release) tackified acrylic
Type of liner (easy release) PET film
Type of liner (tight release) coated paper
Elongation at break 75 %
Tensile strength 50 N/cm
Temperature resistance short term duration 150 °C
Static shear resistance at 23°C very good
Adhesion to PC (tight-side, initial) 6.5 N/cm
Adhesion to PC (tight-side, after 14 days) 10.8 N/cm
Adhesion to PP (easy-side, after 14 days) 7 N/cm
Adhesion to PP (tight-side, initial) 2.4 N/cm
Adhesion to PP (easy-side, initial) 4.8 N/cm
Adhesion to PP (tight-side, after 14 days) 2.4 N/cm
Adhesion to Silicone (easy-side, after 14 days) 9.5 N/cm
Adhesion to Silicone (easy-side, initial) 6.3 N/cm
Adhesion to Steel (initial) 6.9 N/cm
Adhesion to Steel (easy-side, initial) 6.9 N/cm
Adhesion to Steel (easy-side, after 14 days) 7.6 N/cm
Adhesion to Steel (tight-side, initial) 6.4 N/cm
Adhesion to Steel (tight-side, after 14 days) 9.3 N/cm
This product information is applicable to PV43
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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Product comparison

Name of product tesa® 88665 tesa® 6965 - Team 4965 Fingerlift tesa® 4968 tesa® 59651 - Team 4965 Thick tesa® 4970 tesa® 51903 tesa® 61970 tesa® 6190 Combitape tesa® 49652 - Team 4965 High Transparency tesa® 59652 – Team 4965 Black tesa® 4945
Total thickness
115 µm
205 µm
295 µm
300 µm
225 µm
86 µm
220 µm
205 µm
205 µm
205 µm
50 µm
Backing material
PET
PET film
PVC film
PET film
PVC film
PVC film
PP film
PET film
PET film
PET film
PET
Adhesion to Steel (initial)
6.9 N/cm
11.5 N/cm
12.5 N/cm
13.8 N/cm
13 N/cm
2.4 N/cm
13 N/cm
11.5 N/cm
11.5 N/cm
11.5 N/cm
7 N/cm
Colour
transparent
transparent
white
transparent
white
transparent
transparent
transparent
transparent
black
transparent
Type of adhesive
tackified acrylic
tackified acrylic
modified acrylic
tackified acrylic
acrylic
tackified acrylic
tackified acrylic
tackified acrylic
tackified acrylic
tackified acrylic
Last updated on 16 Apr 2024