🌍 Worldwide Shipping Available | Fast & Secure Delivery ✈️

Sikaflex 291 Tube Black Marine-Grade Polyurethane Sealant 150ml

Description

Sikaflex®-291 Black Marine-Grade Polyurethane Sealant 150mL is a premium, one-component, non-sag adhesive sealant specially formulated for marine environments. It cures on exposure to atmospheric moisture, forming a strong, elastic, and durable bond that resists saltwater, vibration, and weathering. Trusted by boat builders and marine professionals worldwide, Sikaflex®-291 meets International Maritime Organisation (IMO) standards for safety and performance.

Features & Benefits

  • Marine-grade polyurethane formula with superior adhesion
  • Excellent weathering and saltwater resistance
  • Elastic and vibration-resistant for long-lasting seals
  • Low odour and non-corrosive composition
  • Can be sanded and overpainted after curing
  • Maintains flexibility across wide temperature ranges

Where to Use

  • Sealing and bonding on boats, yachts, and marine structures
  • Deck fittings, hatches, and hardware installations
  • Elastic, vibration-resistant joints above and below deck
  • Bonding wood, metals, primers, coatings, ceramics, and GRP plastics

Important Notes

  • Not suitable for plastics prone to stress cracking such as Plexiglas or Polycarbonate
  • Surfaces must be clean, dry, and free from grease or dust before application
  • Recommended application temperature: 5°C to 40°C

Technical Details

Chemical Base 1-component polyurethane
Colour Black
Cure Mechanism Moisture-curing
Density (uncured) Approx. 1.3 kg/L
Shore A Hardness 40
Tensile Strength 1.8 MPa
Elongation at Break 500%
Temperature Resistance -50°C to +90°C (up to 180°C short term)
Skin Time Approx. 60 minutes
Shelf Life 12 months (stored below 25°C)

Packaging

  • 150 mL Tube

For marine sealing and bonding you can trust, Sikaflex®-291 delivers professional-grade strength, flexibility, and durability on every project.

Sikaflex 291 Tube Black Marine-Grade Polyurethane Sealant 150ml

Product form

Sikaflex®-291 Black Marine-Grade Polyurethane Sealant 150mL is a premium, one-component, non-sag adhesive sealant specially formulated for marine environments. It cures... Read more

In Stock  Express Post: 1-3 Days | Standard Post: 2-5 Days

$18.70 $0.12/ml

    • Guaranteed secure & safe checkout.

      paypal

      Description

      Sikaflex®-291 Black Marine-Grade Polyurethane Sealant 150mL is a premium, one-component, non-sag adhesive sealant specially formulated for marine environments. It cures on exposure to atmospheric moisture, forming a strong, elastic, and durable bond that resists saltwater, vibration, and weathering. Trusted by boat builders and marine professionals worldwide, Sikaflex®-291 meets International Maritime Organisation (IMO) standards for safety and performance.

      Features & Benefits

      • Marine-grade polyurethane formula with superior adhesion
      • Excellent weathering and saltwater resistance
      • Elastic and vibration-resistant for long-lasting seals
      • Low odour and non-corrosive composition
      • Can be sanded and overpainted after curing
      • Maintains flexibility across wide temperature ranges

      Where to Use

      • Sealing and bonding on boats, yachts, and marine structures
      • Deck fittings, hatches, and hardware installations
      • Elastic, vibration-resistant joints above and below deck
      • Bonding wood, metals, primers, coatings, ceramics, and GRP plastics

      Important Notes

      • Not suitable for plastics prone to stress cracking such as Plexiglas or Polycarbonate
      • Surfaces must be clean, dry, and free from grease or dust before application
      • Recommended application temperature: 5°C to 40°C

      Technical Details

      Chemical Base 1-component polyurethane
      Colour Black
      Cure Mechanism Moisture-curing
      Density (uncured) Approx. 1.3 kg/L
      Shore A Hardness 40
      Tensile Strength 1.8 MPa
      Elongation at Break 500%
      Temperature Resistance -50°C to +90°C (up to 180°C short term)
      Skin Time Approx. 60 minutes
      Shelf Life 12 months (stored below 25°C)

      Packaging

      • 150 mL Tube

      For marine sealing and bonding you can trust, Sikaflex®-291 delivers professional-grade strength, flexibility, and durability on every project.

      Recently viewed products

        Login

        Forgot your password?

        Don't have an account yet?
        Create account