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.

Features:

• 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