Key Features:
- Wheelmark Approved: Meets the low spread of flame requirements set by the International Maritime Organisation (IMO).
- 1-Component Formulation: Ready-to-use, cures upon exposure to atmospheric moisture.
- Highly Elastic: Accommodates movement and vibrations, ideal for marine environments.
- Low Odor: Suitable for enclosed spaces without strong chemical smells.
- Non-Corrosive: Safe for use on various substrates without causing corrosion.
- Paintable: Can be overpainted for aesthetic purposes.
- Solvent-Free: Contains no solvents, reducing environmental impact.
- Very Low VOC: Minimal volatile organic compounds, promoting better air quality.
- Low Isocyanate Content: Safer for users and the environment.
Technical Specifications:
- Chemical Base: 1-component polyurethane
- Color Options: White, grey, black, brown
- Cure Mechanism: Moisture-curing
- Density (Uncured): Approximately 1.3 kg/l
- Non-Sag Properties: Good
- Application Temperature: 10 °C to 40 °C
- Skin Time: 60 minutes
- Open Time: 45 minutes
- Curing Speed: Varies with temperature and humidity
- Shrinkage: 2%
- Shore A Hardness: 40
- Tensile Strength: 1.8 MPa
- Elongation at Break: 700%
- Tear Propagation Resistance: 7 N/mm
- Service Temperature: -50 °C to 90 °C
- Shelf Life: 12 months when stored below 25 °C
Materials:
Sikaflex®-291i is formulated for bonding and sealing a wide range of marine substrates, including wood, metals, metal primers and paint coatings (2-component systems), ceramic materials, and plastics such as fiberglass-reinforced plastics (GRP). It is not suitable for sealing plastics prone to stress cracking, such as PMMA and PC.
Dimensions:
Available in various packaging sizes:
- Mini Unipack: 70 ml
- Cartridge: 300 ml
- Unipack: 400 ml, 600 ml
Compatibility Information:
Sikaflex®-291i bonds well to a variety of marine substrates, including wood, metals, metal primers and paint coatings (2-component systems), ceramic materials, and plastics like GRP. It is not suitable for sealing plastics prone to stress cracking, such as PMMA and PC.
