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The 3M 7100198009 is a black polyurethane sealant in a 600 mL sausage-style container, formulated for trim and molding attachment applications across HVAC, construction, and general trade work. It delivers a flexible, durable seal with a tack-free dry time of 60 minutes and a full cure time of 24 hours. The operating temperature range spans -40 degrees F to 194 degrees F (-40 degrees C to 90 degrees C), making it suitable for installations exposed to significant thermal cycling. This sealant is part of the 3M 540 Series and is applied by licensed contractors and trade professionals using a standard sausage-pack dispensing gun.
This product is designed for trim and molding attachment in residential and commercial settings. The sausage-pack format is well-suited for high-volume application work where cartridge waste is a concern. It performs across a wide temperature range, making it applicable in both interior mechanical spaces and exterior envelope assemblies where flexible sealing is required. Licensed trades including HVAC technicians and construction contractors will find this format practical for production-pace work.
Designed as an OEM-style replacement-grade sealant for trim and molding attachment applications; verify substrate compatibility with polyurethane chemistry before application on painted, coated, or sensitive surfaces.
Application requires a sausage-pack dispensing gun rated for 600 mL containers. Surface must be clean, dry, and free of oil or loose material before sealant is applied. Power down or de-energize adjacent systems as required by local codes before sealing in mechanical spaces. Allow the full 24-hour cure time before subjecting the joint to mechanical stress or service loads.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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