Features
J-B Weld Ultimate Black Gasket Maker & Sealant is an RTV (Room Temperature Vulcanized) Silicone gasketing material designed for use in mechanical assemblies where maximum petroleum and oil resistance is required. Upon curing, which occurs when the product is exposed to the moisture in air, the silicone forms a tough, waterproof, gasket and seal on most surfaces. It will not shrink or crack, resists oil and petroleum products, resists weathering, is sensor safe, has good temperature resistance up to 700 F intermittent and is great for many automotive applications.Cure Color: Black
Maximum Oil Resistance
Temperature Resistant Up To 700° F
Low Odor
Sensor Safe
Great For: Oil Pans, Valve Covers, Transmission Pans, Timing Gear Covers
Use On: Automotive, Metal, Rubber & More
J-B Weld is a renowned brand specializing in high-quality adhesives, epoxies, and sealants designed to handle tough repairs. Recognized for its strength and reliability, J-B Weld products are ideal for bonding, repairing, and restoring various materials, including metal, wood, plastic, and more. Whether for DIY enthusiasts or professionals, J-B Weld delivers trusted solutions built to last.