Sikaflex-291i is a one-part non-sag polyurethane based joint sealing compound specially formulated for marine application that creates a tough, weather resistant bond between most materials.
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Sikaflex 291i Information
Sikaflex 291i is Wheel Mark approved as it meets the low spread of flame requirements set out by the International Maritime Organisation.
Sikaflex-291i is a one-part non-sag polyurethane based joint sealing compound specially formulated for marine application that creates a tough, weather resistant bond between most materials that can be painted over. It also meets the low spread of flame requirements set out by the International Maritime Organisation.
Sikeflex 291i is a vibration resistant joint sealant and can be used for a variety of internal and external sealing applications. It comes in cartridge form that can be used with a 'standard silicone gun'.
– One-part formulation
– Wheel Mark approved
– Vibration resistant
– Low odour
– Resistant to ageing and weathering
– Can be overpainted
– Can be sanded
– Bonds well to a wide variety of substrates
– VOC and emission free
– Electrically non-conductive.
Areas of application:
Sikaflex-291i is a multi-purpose product for use in marine construction. It is suitable for making elastic, vibration-resistant joint seals, and can also be used for the adhesive bonding of teak deck and for a variety of interior and exterior sealing applications.
Sikaflex-291i bonds extremely well to the materials commonly used in marine construction. Suitable substrates include wood, metals, metal primers and paint coatings (two-part systems), ceramic materials and plastics (GRP, etc.).
Sikaflex-291i must not be used to seal plastics that are prone to stress cracking (e.g. Perspex, polycarbonate, etc.). Once cured, Sikaflex-291i can easily be sanded down as required.
Sikaflex-291i cures by reaction with atmospheric moisture. At low temperatures the water content of the air is lower and the curing reaction proceeds more slowly.
Sikaflex-291 is resistant to fresh water, seawater, limewater, sewage effluent and aqueous detergent 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.
Wheel Mark certified:
A product that is Wheel Mark Certified proves that it complies with requirements of international conventions agreed by the International Maritime Organisation enforces common standards of safety and performance across the EU.
Sikaflex 291i Specifications
Please note: The above information is offered for general guidance only. Test with actual substrates and conditions have to be performed to ensure adhesion and material compatibility.