NuFlex 640 Thermoplastic Sealant 300ml

$8.15 CAD
SKU: 01060209


NuFlex® 640 Thermoplastic Industrial Sealant is a one-part, co-polymer, high-performance sealant. When cured, 640 Thermoplastic Sealant possesses rubber-like properties and can be compressed or extended. With its non-sag properties, it is popular for use in many industrial settings.


  • Paintable within 4 hours
  • Excellent adhesion to most common substrates
  • Cures in 24 hours
  • Non-staining
  • Flexible
  • Non-sag

Bonds to:

  • Vinyl
  • Glass
  • Most metals (including aluminum)
  • Brick (unprimed)
  • Concrete (unprimed)
  • Wood

Basic uses include:

  • Face bedding and cap bead in glazing applications
  • Sealing mitre joints in windows
  • Installation of gutters, eaves troughs, flashings, and siding
  • Window & door caps, fascia, F-channels, J-trim, crown moulding, perimeter seals, truck trailers, bus bodies, modular homes, recreational vehicles
  • Masonry
  • Stone
  • PVC
  • Ceramic

Basic uses include:

  • Exterior weatherproofing
  • Sealing joints where one or more substrate is stone
  • Cap, heel, & toe beads for window glazing
  • Replacing glass tiles & backsplashes
  • Gasket making for appliances
  • Sealing PVC door tracks to the ground

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