Sikaflex 291, White, Polyurethane Marine Sealant-Adhesive, 3oz Tube

Sika Corporation
Item #
Mfr. Model # 610568

Sikaflex 291, Black, Polyurethane Marine Sealant-Adhesive, 3oz Tube

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.

General all-purpose marine sealant, which may be used for light-duty bonding.

Characteristics and Advantages:

  • Use above and below waterline
  • Resists saltwater
  • Fast strength build-up
  • Excellent adhesion to gel coat, 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

  • Bonds well to a wide variety of substrates
  • Good aging and weathering resistance
  • Elastic
  • Low odor
  • Non-corrosive
  • Can be over painted
  • Can be sanded
  • Listed under NSF ? Proprietary Substances and Nonfood Compounds (black and white)
Product Details
Specification Description
# of Components: Single Component
Adhesive/Glue Type: Caulks & Sealants
Brand Name: Sika Corporation
Brand Part Number: 610568
Chemical Base: Polyurethane
Color: White
Cure Mechanism: Moisture
Elongation: 500%
Model: Sikaflex 291
Operating Temperature: -58° to 194°F
Package Type: Tube
Paintable: Yes
Primary Application: Marine
Shelf Life: 365 days
Shore Hardness: 40A
Size: 3 oz
Specifications Met: NSF Proprietary Substances and Nonfood Compounds
Tear/Shear Strength: 35 pli
Temperature Rating: Standard (Less Than 200°F)
Tensile Strength: 260 psi
Working/Tack/Skin Time: 1 Hour
$10.95 / each

Must order in increments of 10 units
7 units in stock. Estimated to ship Tue. Jun 25 Need more? Estimated to ship Mon. Jul 08.