Mildew Resistant Non-Sagging Moisture Curing
Marine Grade Silicone Sealant is a high quality silicone that forms a mildew-resistant, non-yellowing seal that remains flexible even after years of exposure.
It can withstand very high temperatures, making it ideal for applications that suffer high heat exposure, such as engine gasket adhesives.
3M Marine Silicone Sealant adheres to fiberglass, non-oily wood, bare and painted metal, glass, and many plastics and abraded rubbers.
Small 3 oz tubes are not available in black.
Tack-free: 20 min
Tensile strength: 220 psi
Shore A hardness: not available
Excellent weathering resistance
Mold and mildew resistant
Service temperature: -40F to 190F
Not recommended for continuous underwater use
May be used on Plexiglas and Lexan surfaces
Not recommended for use with glass, polycarbonate or acrylic windows that are not also mechanically fastened
Do not use with electronic circuitry; acetic acid liberated during cure may corrode electronic circuitry