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J-B Weld Black Silicone All-Purpose RTV Sealant & Adhesive 3 oz

$4.74

SKU: 8429771 Categories: , ,

In stock

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J-B Weld Black Silicone All-Purpose RTV Sealant & Adhesive is a dependable solution for creating flexible, watertight seals on a variety of household and automotive projects. When you are sealing a leaky windshield, patching a gap in your home’s gutter system, or insulating electrical wiring, this room-temperature vulcanizing (RTV) silicone provides a tough, rubbery bond that won’t shrink or crack. It maintains its hold even when exposed to the vibration of a running engine or the constant expansion and contraction of outdoor fixtures during a Missouri summer. This tube is a versatile addition to any toolbox, offering a reliable way to bridge gaps and bond surfaces together with a clean, black finish that resists the elements.

Key Features of J-B Weld Black Silicone All-Purpose RTV Sealant & Adhesive

Flexible bond absorbs shocks and vibrations without pulling away from the surface
Weather-resistant properties protect the seal from sunlight, rain, and extreme temperatures
Waterproof construction makes it ideal for sealing leaks in plumbing and marine applications
Non-shrinking formula ensures that the gap remains filled as the silicone cures
High-temperature threshold allows for use on engine components and heating ducts
Excellent adhesion to metal, glass, wood, and ceramic for broad project versatility
Mold and mildew resistant properties keep seals looking clean in damp environments
Simple squeeze tube design allows for easy application on small or intricate repairs

Additional Information

Brand: J-B Weld
Product Type: Silicone Sealant
Model:
Product Use: Waterproof sealing and flexible bonding for home and auto
Size: 3 oz
Material: Pliable silicone rubber
Height:
Length:
Width:

To get the smoothest bead possible, cut the plastic nozzle at a forty-five-degree angle to match the width of the gap you are filling. Once the silicone is applied, you can use a finger dipped in a bit of soapy water to tool the surface for a professional, flush finish before it begins to skin over. If you are using this as a gasket maker, remember to finger-tighten your bolts first, wait an hour for the silicone to set, and then perform the final torque to create a custom-molded seal.

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