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3M™ Polyurethane Construction Sealant 525, Gray, 310 mL Cartridge, 12/Case. 3M™ Polyurethane Construction Sealant 525 is a single-component, moisture-curing, gap-filling elastomeric sealant that creates permanently elastic seals and bonds well to concrete. Skin time in 90-150 minutes.
Features
Multi-Purpose Bonding And Long Lasting Seals
Permanently Elastic To Allow Joint Movement
Creates Flexible Seals On Expansion Joints
Skin Time In 90-150 Minutes Paintable Once Skin Forms