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vinyl and neoprene rubbers
or other fragile finishes
For tougher jobs on relatively durable surfaces – 1 part product to 3 parts water
- It is safe
You may add the lightest shade of tint to change its colour
Sikaflex 291 Tube Black Marine-Grade Polyurethane Sealant 150ml Threadlocking vinyl and neoprene rubbersSikaflex 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