SIKAFLEX® 291 | MARINE ADHESIVE SEALANT
Multi-purpose marine polyurethane adhesive sealant
Excellent adhesion to all common materials used in marine environments
Suitable for service above and below the waterline
Excellent weathering, resistant to seawater and freshwater

USE

Sikaflex® 291 is suitable for making elastic, vibration-resistant joint seals, and can also be used for a variety of interior and exterior sealing applications. Sikaflex® 291 bonds extremely well to the materials commonly used in marine construction like wood, metals, metal primers and paint coatings (2-c systems), ceramic materials and plastics (GRP, etc.)

CHARACTERISTICS AND ADVANTAGES

1-C formulation
Elastic
Low odour
Resistant to ageing and weathering
Non-corrosive
Can be overpainted
Can be sanded
Bonds well to a wide variety of substrates
Electrically non-conductive

Areas of Application
Sikaflex® -291 is a multipurpose product for use in marine construction. It is suitable for making elastic, vibration-resistant joint seals, and can also be used for a variety of interior and exterior sealing applications. Sikaflex® -291 bonds extremely well to the materials commonly used in marine construction like wood, metals, metal primers and paint coatings (2-c systems), ceramic materials and plastics (GRP, etc.).
Sikaflex® -291 must not be used to seal plastics that are prone to stress cracking (e.g. Perspex, polycarbonate, etc.). Once cured, Sikaflex® -291 can easily be sanded down as required. 

Chemical Resistance
Sikaflex® -291 is resistant to freshwater, seawater, limewater, sewage effluent, diluted acids and caustic solutions; temporarily resistant to fuels, mineral oils, vegetable and animal fats and oils; not resistant to organic acids, alcohol, concentrated mineral acids and caustic solutions or solvents.