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Sikaflex-291 is a 1-component, marine grade polyurethane elastomeric adhesive and sealant. Used by many boat builders, its fast cure time makes it ideal for applications where speed is important. USE General all-purpose marine sealant, which may be used for light duty bonding. CHARACTERISTICS AND ADVANTAGES Use above and below water line Resists salt water Fast strength build-up Excellent adhesion to gelcoat, fiberglass, metal and wood May be squeezed or brushed into place Stable Paintable Versatile packaging Excellent bond Fast tack-free time High solids content Sandable NSF approved for potable water (black and white only) USDA approved for incidental food contact