tesa® CaRes 61445

Repulpable, black single-sided splicing tape

  • The patented calcium resistant adhesive (CaRes) for a maximised life time of permanent splices on papers containing calcium carbonate (CaCO3)
  • Black backing with high colour density for reliable optical detection
  • Thin but strong backing to allow a low total splice thickness
  • tesa® CaRes 61445 is certified by independent laboratories for: Repulpability according to TAPPI UM-213 over full pH-range (pH3 – pH9)
  • Very high shear strength
  • Printable and coatable backing for easy further processing
  • Very high heat resistance
  • Very good adhesion values on most paper grades

Product description

tesa® CaRes 61445 is a single-sided repulpable splicing tape, with a liner consisting of a flat-back paper and a modified water soluble acrylic adhesive.

Application Fields

tesa® CaRes 61445 is particularly suitable for:
  • Manual permanent butt-splicing
  • Use in automatic butt-splice applicators

Product Construction

Elongation at break 6 %
Type of adhesive repulpable tackified acrylic
Type of liner repulpable siliconised paper
Tensile strength (crosswise) 30 N/cm
Total thickness 80 µm
Backing material flat paper
Color black

Properties / Performance Values

Static shear resistance very good
Tack medium
Shelf life time (packed) < 25°C 12 months
Temperature resistance ++

Additional Info

Other products for butt-splicing:
  • tesa® 51444 - reduced thickness for thinner splices
  • tesa® 51445 - stronger backing for higher splice security
  • tesa® 51455 - slit liner for easier manual splice application
  • tesa® 51465 - slit liner and splitting strip for secure tape fixation during the manual splice preparation
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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