Starbrite Silicone Sealant Black 10.3 oz. Product Number: #82123 Description: Black Marine Silicone Sealant Features: #1 selling marine sealant. 100% marine grade silicone, won't turn yellow. Remains flexible from -70 deg. F to +480 deg. F. Bonds to fiberglass, plastic, wood, glass and metal. Unaffected by sunlight, weathering, most chemicals and solvents. Will not shrink or sag. Can be removed easily - excellent for deck hardware. Special marine formula can be used above and below the waterline. Dries tack free in less than one hour, cures completely in 24 hours.