Silicone Rubber Tube – 2.8 FL. Oz – Clear An all-purpose, non-corrosive, non-yellowing, mildew resistant, low-odor, 100% marine high quality silicone sealant. Tack-free in 30 minutes or less. *Fully cured in 24 hours. For use above or below the waterline. Will not shrink, crack, or dry out. Superior flexibility and adhesion to fiberglass, plastic, metal, [...]