Sika Sikaflex 291 LOT Slow Cure Marine Sealant and Adhesive - Black, 10.3 oz Cartridge

Sikaflex 291 LOT Slow Cure Adhesive Sealant 10.3oz(300ml) Cartridge - Black

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.

Uses:
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 remain permanently elastic.

Characteristics Advantages:

• Use above and below water line
• Resists salt water
• Paintable and sandable
• Excellent bond
• NSF approved for potable water
• USDA approved for incidental food contact

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

The Sika Sikaflex 291 LOT is a versatile marine-grade polyurethane elastomeric sealant and adhesive designed for demanding applications both above and below waterline. Its unique moisture-curing formula provides a long open time, making it ideal for projects that require extended working periods in humid conditions without sacrificing performance. This 1-component sealant offers excellent adhesion to a variety of substrates, ensuring a reliable, durable bond that remains elastic over time.
Built to withstand harsh marine environments, Sikaflex 291 LOT resists salt water and is suitable for use in areas exposed to constant moisture. Its high flexibility and elastic properties enable it to accommodate movement and dynamic stresses typical in marine settings. The product is also paintable and sandable, allowing for seamless finishing and integration into various surfaces without compromising its sealing capabilities.
Approved for potable water and incidental food contact, Sikaflex 291 LOT adheres to strict safety standards, making it suitable for applications involving drinking water infrastructure and food processing environments. Its ease of use, combined with its superior adhesion and durability, makes it a preferred choice for boat builders, maintenance professionals, and DIY enthusiasts working on marine projects that demand long-lasting, high-performance sealing solutions.

Features:

• Use above and below water line

• Resists salt water

• Paintable and sandable

• Excellent bond to multiple substrates

• NSF approved for potable water

• USDA approved for incidental food contact

• Long open time for extended working periods