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BOSS® 234 High-Tack is a new sealant formulated with Hybrid technology to take the place of most traditional sealants. It is designed to resist all on-the-road flexing and vibrations. It is fast curing, provides permanent elastic adhesion to most surfaces, and is also paintable with a 30-minute drying time with most paints.


  • Can be painted with water-based systems.
  • Does not contain isocyanates and silicones.
  • Fast curing.
  • Good adhesion on moist substrates.
  • Good colour stability, weather, and UV resistance.
  • Good extrudability.
  • High initial tack reducing the need for initial support.
  • High shear strength after full cure (no primer).
  • No odour.
  • Stays elastic after curing and very sustainable.


  • Elastic bonding of panels, profiles, and other pieces on the most common substrates (wood, MDF, chipboard, etc.).
  • Elastic structural bonding in construction, transport, and container industry.
  • Sealing and bonding in the building and construction industry.


This product is available in white and black.


Available in standard 600 ml sausages.


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