tesa® 4921

Blue surface protection film.


Product Features
  • Resistant to weather and UV-light for 6 months
  • Clean removal
  • Translucent blue

Product details and specifications

Product Features

  • Resistant to weather and UV-light for 6 months
  • Clean removal
  • Translucent blue

Application Fields

  • Protection of window glass during construction.
  • Protection of aluminum and PVC profiles.
Backing material PE film
Total thickness 35 µm
Type of adhesive acrylic
Elongation at break 200 %
Tensile strength 6 N/cm
Humidity resistance medium
Material PE (polyethylene)
Water resistance medium
Residue free removal yes
UV-resistance 6 months
Temperature resistance medium
Material of masking coverage LDPE
Tear resistance yes
Adhesion to steel 0.8 N/cm
Adehesion to values

  • Glass: 0.8 N/cm
  • PMMA: 1.1 N/cm
  • Polycarbonate: 1.0 N/cm
  • Aluminium: 0.6 N/cm
  • PVC: 0.8 N/cm
  • Backside: 0.4 N/cm


Properties

  • Application temperature in use: -5 to +60°C
  • Application temperature: +5 to +40°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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Product comparison

Name of product tesa® 4921 tesa® 66514 tesa® 4438 tesa® 4414
Total thickness
35 µm
40 µm
167 µm
150 µm
Type of adhesive
acrylic
acrylic
acrylic
water-based acrylic
Backing material
PE film
PET film
flat paper
PE film
Adhesion to steel
0.8 N/cm
4 N/cm
2.2 N/cm
Tensile strength
6 N/cm
33 N/cm
23 N/cm
Temperature resistance
medium
Elongation at break
200 %
5 %
400 %
Last updated on 26 Nov 2024