tesa® 64621 Industry

Double-sided transparent self-adhesive tape


Product description

tesa® 64621 is a transparent double-sided self-adhesive tape consisting of a PP-carrier and a synthetic rubber adhesive mass system (hotmelt).

With the hotmelt adhesive, tesa® 64621 is solvent free and offers a very high tack.

tesa® 64621 is protected by a siliconized paper liner.


Product details and specifications

Application Fields

  • General purpose fixing tape

  • Self-adhesive mounting of decorative and packaging materials

  • Bonding of foils, fabrics, paper and plastic materials
Adhesive Type synthetic rubber
Backing material PP film
Color transparent
Color of liner yellow
Liner Type glassine
Thickness of liner 2.76 mils
70 µm
Total thickness 90 µm
Weight of liner 110.94 lbs/in²
78 g/m²
Elongation at break 140 %
Tensile strength 45 N/cm
Ageing resistance (UV) medium
Static shear resistance at 23°C medium
Tack good
Temperature resistance short term 176 °F
80 °C
Static shear resistance at 40°C low
Fogging very good
Temperature resistance long term 104 °F
40 °C
Humidity resistance good
Adhesion to ABS (initial) 4 lbs/in
7 N/cm
Adhesion to ABS (after 14 days) 6.28 lbs/in
11 N/cm
Adhesion to PE (initial) 2.86 lbs/in
5 N/cm
Adhesion to PE (after 14 days) 3.71 lbs/in
6.5 N/cm
Adhesion to PP (initial) 4.57 lbs/in
8 N/cm
Adhesion to PP (after 14 days) 5.14 lbs/in
9 N/cm
Adhesion to PVC (initial) 5.14 lbs/in
9 N/cm
Adhesion to PVC (after 14 days) 5.42 lbs/in
9.5 N/cm
Adhesion to Steel (initial) 5.71 lbs/in
10 N/cm
Adhesion to Steel (after 14 days) 8.57 lbs/in
15 N/cm
Additional liner variants:
PV6 red MOPP-film, 80µm/3.1 mils
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® 64621 Industry tesa® 51865 - Team 4965 Differential tesa® 4965 Original Next Gen tesa® 4950 - LSE Filmic Mounting Tape tesa® 51962 tesa® 51964 tesa® 88665 tesa® 4970 tesa® 4968 tesa® 51903 tesa® 61970 tesa® 59652 - Team 4965 Black
Total thickness
90 µm
165 µm
205 µm
100
50 µm
125 µm
115 µm
225 µm
295 µm
86 µm
220 µm
205 µm
Adhesive Type
synthetic rubber
tackified acrylic
biomass-balanced tackified acrylic
tackified acrylic
tackified acrylic
tackified acrylic
tackified acrylic
tackified acrylic
acrylic
tackified acrylic
tackified acrylic
Backing material
PP film
PET film
Post consumer recycled PET
Post consumer recycled PET
PET
PET film
PET
PVC film
PVC film
PVC film
PP film
PET film
Adhesion to Steel (initial)
10 N/cm
9.6 N/cm
11.5 N/cm
7.5 N/cm
5 N/cm
11.2 N/cm
6.9 N/cm
13 N/cm
12.5 N/cm
2.4 N/cm
13 N/cm
11.5 N/cm
Color
transparent
transparent
transparent
transparent
transparent
transparent
transparent
white
white
transparent
transparent
black
Last updated on Aug 17, 2026