J-B Weld Blue Silicone Gasket Maker & Sealant is an RTV (Room Temperature Vulcanized) Silicone gasketing material designed for use in mechanical assemblies| sealing and bonding uneven surfaces. Upon curing| which occurs when the product is exposed to the moisture in air| the silicone forms a tough| waterproof seal on most surfaces. It will not shrink or crack| resists weathering| is sensor safe and is great for many automotive applications.

GREAT FOR

• Timing Gear Covers
• Transmission Pans
• Oil Pans
• Water Pumps
• Valve Covers
• Differential Covers
• Thermostat Housings

USE ON

• Automotive
• Metal
• And More