Sikaflex® 291 LOT - Black - 3oz Tube with Nozzle Sikaflex®-291 LOT is a 1-component, marine-grade polyurethane elastomeric adhesive, and sealant. It is a moisture-cured, non-sag system designed with a long open time for jobs that require more time. Features: * Use above and below the waterline * Resists saltwater * Paintable and sandable Usage: General all-purpose, high strength marine sealant, which may be used for light-duty bonding with long open time capability for humid climates or jobs requiring more time that remains permanently elastic. Advantages: * Use above and below the waterline * Resists saltwater * Paintable  and sandable * Excellent bond   * NSF approved for potable water * USDA approved for incidental food contact