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Product information

tesa® 4370

Cloth duct tape - 8 weeks UV resistant

Product description

tesa® 4370 is a 8 weeks UV-resistant cloth tape. It consists of a PE coated 70 mesh woven PET fabric backing and a black UV-blocker, coated with a pressure sensitive natural rubber adhesive. tesa® 4370 UV extra is suitable for long term protection of areas like window frames, facades, and other surfaces during plastering and painting in construction sites Features:
  • 8 weeks UV resistant
  • good adhesion, even on rough surfaces
  • water repellent
  • conformable
  • easy to remove without residues
  • easy to unwind
  • available in white

Main applications

  • Outdoor applications (up to 8 weeks)
  • Protection of areas like window frames or facades during construction works
  • Protection against dirt and damage through manufacturing tools and material
  • Suitable for application on concrete/bricks, timber, glass

Additional Info

Recommendation: please conduct a test on the application surface before using the product.






Technical properties

Total thickness

310 µm

Elongation at break

10 %

Type of adhesive

natural rubber


8 weeks

Adhesion to steel

3.8 N/cm


70 count per square inch

Backing material


Tensile strength

60 N/cm

Rating properties

Suitable for sensitive surfaces


Hand tearability


Suitable for rough surfaces




Paint anchorage


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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