Sikaflex® 291 LOT Slow Cure Adhesive & Sealant in White is a one‑component marine‑grade polyurethane elastomeric adhesive and sealant designed for challenging environments. It’s ideal for boat builders, marine technicians, and DIY enthusiasts who need extended working time and dependable elasticity for bonds above or below the waterline.
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Color: White
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Volume: 10.3 oz (300 ml) cartridge
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Type: 1‑component polyurethane elastomeric adhesive and sealant
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Open Time: Long open time for extended projects
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Formulation: Non‑Sag system for stable bonding on vertical surfaces
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Moisture Curing: Moisture‑cured polyurethane formula
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Elasticity: Permanently elastic to accommodate movement
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Finish: Paintable and sandable for seamless finishing
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Water Exposure: Suitable above and below water line
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Safety Certifications: NSF approved for potable water; USDA approved for incidental food contact
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Substrate Compatibility: Bonds to a wide range of substrates
This adhesive and sealant delivers moisture‑cured, durable bonds that withstand saltwater and remain flexible under marine stress. The extended open time supports complex or time‑intensive projects, while the non‑sag formulation ensures reliable performance on vertical surfaces and in humid environments. It bonds to a wide range of substrates and can be painted and sanded to achieve a seamless finish that blends with surrounding surfaces. Suitable for both above and below water line applications, Sikaflex® 291 LOT provides a dependable, long‑lasting solution where durability and flexibility matter, with safety certifications for potable water and incidental food contact.
