JB WELD - World's Strongest Bond
Copper Gasket Maker & Sealant
JB-Weld Ultimate Copper Gasket Maker & Sealant is an RTV (Room Temperature Vulcanized) Silicone gasketing material designed for use in mechanical assemblies where high torque or closely spaced bolt profiles can lead to higher loads and cause gasket and sealing failures for average silicones. Upon curing, which occurs when the product is exposed to the moisture in air, the silicone forms a tough, waterproof gasket (seal) on most surfaces. It will not shrink or crack, resists weathering, is sensor safe and is has good temperature resistance up to 700 degrees F intermittent. Its great for many automotive applications.
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