291 Medium Strength Adhesive Sealant, Black 10.1 oz.

A multifunctional adhesive sealant for marine applications, Sikaflex-291 is an economical, medium-strength polyurethane-based sealant.

Specifically engineered for the marine environment, Sikaflex-291 is a non-sag, single-component sealant that cures on exposure to atmospheric moisture.
It's an all-purpose product used for general sealing applications such as deck hardware and equipment.
It is resistant to weathering, seawater and ultra-violet radiation, but will yellow if exposed to the sun.

Sikaflex-291's permanent elasticity and medium strength, make for relatively easy disassembly, should that be necessary; use razor wire as a tool.
Now available in small tubes.

• Use above or below the waterline
• NSF & USDA approved for potable water
• Low viscosity - easy to gun
• Paintable, sandable, tools with soapy water, and skins over fast (60-90 minutes)
• Use soapy water (never alcohol) to tool polyurethane sealants or adhesives
• Bonds very well to itself and other cured polyurethanes
• For use with bare aluminum or stainless steel prep, with Sika Cleaner 226
• If you require Sikaflex-291 in gray, we recommend you use the very similar Sikaflex-221 Gray; see Related Products, below
• The 10.3 oz cartridge is used with a caulking cartridge gun and the 3 oz is a squeeze tube, no cartridge gun required.