JB Weld Ultimate Black

J-B Weld is the ultimate Silicone gasket sealant, designed for use in mechanical assemblies where maximum petroleum and oil resistance is required. Curing 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 500 F intermittent and is great for many automotive applications.

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