Versachem Black RTV Silicone forms a tough, flexible silicone rubber that resists aging and weathering, and will not shrink or harden. This high strength, moisture curing gasketing material maintains long-term durability and flexibility, ideal for bonding, sealing, repairing, weatherproofing and more. OEM (Original Equipment Manufacturer) approved, this formula is non-flammable, waterproof, low volatile, and oxygen sensor safe. Use it on windshields, sunroofs, vinyl tops, gasket making or dressing, water neck outlets, timing gear covers, manifolds, oil pan, and transmission pans. Features a temperature range of -100F to 450F (continuous), -100F to 600F (intermittent), and a tensile strength of 400 PSI. Resistant to oil and antifreeze mixtures. Not recommended for use on parts in constant contact with gasoline.