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3M™ Marine Grade Silicone Sealant is a high quality silicone designed for the harsh marine environment. It forms a mildew-resistant, non-yellowing seal that remains flexible even after years of exposure.Silicone rubber sealant that is mildew resistant, non-sagging and moisture-curing
Remains flexible with excellent resistance to marine environment
Adheres to bare and painted metal, fiberglass, glass, non-oily woods and many plastics and abraded rubbers.