Massetak High Performance Polyurethane Sealant - Industrial Strength Sealant - 10oz

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Massetak High Performance Polyurethane Sealant is a moisture-curing, professional grade adhesive and sealant combo that provides an extremely durable bond when joining surfaces, filling gaps, joints and cracks. It's unique rheology makes it easy to apply with a standard caulking gun, yet still retains excellent non-sag properties and great initial tack ideal for bonding metals such as stainless steel and aluminum. Massetak Polyurethane Sealant excels in use above and below the waterline, and has very good resistance to fading, ageing and cracking due to extended ultraviolet light exposure. Once skin forms Massetak High Performance Polyurethane Sealant is easily paintable.

This all-in-one polyurethane sealant and adhesive remains permanently flexible once cured with great impact and cut resistance while providing a 100% waterproof seal. Massetak High Performance Polyurethane Sealant features an exceptionally low isocyanate content, making it much safer to use than traditional polyurethane sealants.

Benefits of Massetak High Performance Polyurethane Sealant:

  • Bonds and seals
  • Excellent cure rate
  • Flexible Superior bond
  • Non-slumping
  • Great chemical resilience
  • Allows for paint over
  • Extremely low hazards content

Technical Data:

  • Chemical Base Polyurethane
  • Viscosity Paste
  • Elongation at Break >550% Shore Hardness 35-45, Shore A
  • Cure Type Moisture Cure
  • Cure Rate 3mm/24 hours at 68°F and 65%
  • RH Skin Formation 45 Minutes
  • Color Black
  • Shelf Life 12 Months
  • Coverage Approximately 10 linear meters per 300ml cartridge @ 3mm bead

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