J-B Weld Ultimate Black RTV Silicone Gasket Maker - 9.5 oz.

J-B Weld Hi-Temp Silicone Gasket Maker & Sealant is an RTV (Room Temperature Vulcanized) Silicone gasketing material specially designed for mechanical assemblies where high temperatures up to 550º F or 650º F intermittently may be present. Once cured by exposure to air moisture, this silicone creates a durable, waterproof seal on most surfaces. It remains stable without shrinking or cracking, withstands weathering, is sensor safe, and is perfect for a wide range of automotive applications.

HI TEMP SILICONE GASKET MAKER & SEALANT: This RTV Silicone gasket material is formulated for use in assemblies experiencing continuous temperatures up to 550º F or 650º F intermittently.

WHAT THE PROFESSIONALS USE: Builders, mechanics, and repair experts rely on our products for their strong adhesion to various surfaces, even in challenging conditions. Trust the choice of professionals for your project.

EASY TO USE: This product cures upon exposure to moisture in the air, creating a strong, waterproof seal on most surfaces. It is resistant to shrinking, cracking, weathering, and is safe for sensors.

VERSATILE & DEPENDABLE: Perfect for automotive applications like metal, oil pans, exhaust manifolds, water pumps, timing covers, differential covers, drive housings, and oven doors.

DO IT YOURSELF: Whether your project is big or small, J-B Weld makes it easy for you to handle on your own. Our heavy-duty adhesives ensure your repairs are done right the first time. Trust JB Weld for the legendary performance of the World's Strongest Bond.

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