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PRODUCT INFORMATION

tesa® 4421

Medium Grade, High Shear Masking Tape


  • Product Features
tesa® 4421 provides an excellent blend of value and performance due to its excellent paper strength, cured rubber adhesive, and high shear. tesa® 4421 performs under stress and temperatures where general-purpose products fail. It is a production grade masking tape which has been formulated to assure clean removal from a variety of substrates. tesa® 4421 also has excellent wet grab and should be used when general-purpose masking tapes do not perform adequately. Available Colors: Cream
  • Main Applications
  • Medium temperature masking applications
  • Medium-duty bundling, holding, packaging, and splicing
  • Technical Data
  • Backing material
    slightly-creped paper

  • Total thickness
    147.3 µm
    5.8 mils

  • Type of adhesive
    natural rubber

  • Adhesion to steel
    3.7 N/cm
    33.8 oz/in

  • Elongation at break
    10 %

  • Tensile strength
    36.8 N/cm
    21.0 lbs/in


tesa® products prove their impressive quality day in, day out in demanding conditions and are regularly subjected to strict controls. All information and recommendations are provided to the best of our knowledge on the basis of our practical experience. Nevertheless 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. Therefore, 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 support staff will be glad to advise you.