Sika Sikaflex 291 Polyurethane Marine Sealant White is a one component, moisture curing, elastic adhesive and sealant that is used for bonding boat building materials such as fiberglass, wood, metal, and gel coat. It is fast curing, stable, high solid, NSF approved for potable water, USDA approved for food contact, and used above or below water. It is resistant to salt water, fresh water, diluted acids, limewater, and caustic solutions. It can be applied by painting, squeezing, or brushing methods. 300 mL Cartridge.
Typical Use: | Used by many boat builders, its fast cure time makes it ideal for applications where speed is important. |
Brand: | Sikaflex |
Chemical Composition: | 1-C polyurethane |
Color: | White |
Components: | 1 part |
Elongation: | 500% @ break |
Hardness: | 40 A |
Service Temperature: | -40 to 90 °C |
Tack Free Time: | 60min |
Tensile Strength: | 260 psi |
Working Time: | 40min |