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J-B Weld 31316 RTV Silicone Gasket Maker and Sealant - 3 oz. - Blue

4.6 out of 5 stars 8,708 ratings

$7.11 ($2.37 / Ounce)
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Color: Blue
Blue
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Color Blue
Brand J-B Weld
Package Information Tube
Item Volume 90 Milliliters
Water Resistance Level Waterproof

About this item

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  • RTV SILICONE SEALANT & ADHESIVE: Is a general purpose RTV (Room Temperature Vulcanized) Silicone, designed for sealing and bonding uneven surfaces
  • WHAT THE PROFESSIONALS USE: Builders, mechanics & repair pros know our products bond strong to a variety of surfaces in even the toughest environments. Choose the product pros trust for your project
  • EASY TO USE: Upon curing, the silicone forms a tough, waterproof seal on most surfaces. It will not shrink or crack, resists weathering and is great for many automotive accessories and household uses
  • VERSATILE & DEPENDABLE: Ideal for bonding, sealing, weather stripping, moldings, interior trim, windows, windshields, door frames, lens housings and more
  • DO IT YOURSELF: Big or small, you can DIY it with J-B. Our heavy duty adhesives repair & restore it right the first time. JB Weld delivers the legendary performance of the World's Strongest Bond
  • Flash point: 3000.00 degrees_celsius
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Frequently bought together

  • J-B Weld 31316 RTV Silicone Gasket Maker and Sealant - 3 oz. - Blue
  • +
  • Loctite  Heavy Duty Threadlocker, 0.2 oz, Blue 242, Single
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From the manufacturer

J-B Weld blue Silicone Sealant J-B Weld Clear Silicone Sealant J-B Weld White Silicone Sealant J-B Weld Red Silicone Sealant J-B Weld Grey Silicone Sealant J-B Weld black Silicone Sealant
J-B Weld Blue RTV Silicone J-B Weld Clear RTV Silicone J-B Weld White RTV Silicone J-B Weld Hi-Temp RTV Silicone J-B Weld Ultimate Grey RTV Silicone J-B Weld Ultimate Black RTV Silicone
Product Description J-B Weld Blue Silicone Gasket Maker & Sealant is designed for use in mechanical assemblies, seling and bonding uneven surfaces. Upon curing, it will not crack or shrink, resists weathering, is sensor safe and is great for many automotive applications J-B Weld Clear RTV Silicone Sealant is a general purpose adhesive designed for household or mechanical assembly applications. It will not crack or shrink, resists weathering, is sensor safe and is great for many household & automotive applications. J-B Weld White RTV Silicone Sealant & Adhesive is a general purpose adhesive designed for household or mechanical assembly applications. Upon curing, it will not crack or shrink, resists weathering, is sensor safe and is great for many applications. J-B Weld Hi-Temp RTV Silicone & Gasjet Maker is designed for use in mechanical assemblies where the continuous temps up to 550F or 650F might exist. It will not shrink, crack and resist weathering. It is sensor safe for many auto applications. J-B Weld Ultimate Grey RTV Gasket Maker & Sealant is designed for use in mechanical assemblies where higher torque or closely spaced bolt profiles. It will not shrink or crack, resists oil & petroleum products, weathering and up to 500F. J-B Weld Ultimate Black Gasket Maker & Sealant is designed for mechanical assemblies where maximum petroleum and oil resistance is required. It will not shrink or crack, is sensor safe, resists oil & petroleum products, weathering, and 500F.
Surface Application Great for: Timing Gear Covers, Transmission Pans, Oil Pans, Water Pumps, Valve Covers, Differential Covers, Thermostat Housing and more! Great for: Windshield, Windows, Lens Housing, Door Frames, Tub & Shower, Aquariums and more! Great for: Tub & Shower, Sinks & Bathroom Fixtures, Windows, Interior Trim, Moldings, Door Frames, Lens Housing and more! Great for: Oil Pans, Valve Covers, Exhaust Manifolds, Water Pumps, Timing Covers, Differential Covers, Drive Housing, Oven Doors & more! Great For: Import Vehicles, Intake Manifolds, Transmission Pans, Oil Pans, Timing Gear Covers, Cam Covers and more! Great For: Oil Pans, Valve Covers, Transmission Pans, Timing Gear Covers.
Cure Color Blue Clear White Red Grey Black
Set Time 1 Hour 1 Hour 1 Hour 1 Hour 1 Hour 1 Hour
Cure Time 24 Hours 24 Hours 24 Hours 24 Hours 24 Hours 24 Hours

Product Description

J-B Weld Silicone Sealant & Adhesive is a general purpose RTV (Room Temperature Vulcanized) Silicone, designed for 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 and is great for many automotive accessories and household applications.

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  • 1 Tube
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    Compare with similar items


    J-B Weld 31316 RTV Silicone Gasket Maker and Sealant - 3 oz. - Blue
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    Customer Rating 4.6 out of 5 stars (8708) 4.5 out of 5 stars (607) 4.6 out of 5 stars (1372) 4.6 out of 5 stars (177) 4.6 out of 5 stars (2625) 4.5 out of 5 stars (1462)
    Price $7.11 $11.00 $7.97 $4.99 $10.79 $6.17
    Sold By Family-1st Industrial inconsupply Amazon.com Amazon.com Island Outdoor, LLC Amazon.com
    Color Blue Red Black Multicolor Black
    Item Dimensions 1.97 x 1.57 x 6.3 inches 2.13 x 2.13 x 7.75 inches 1 x 3.81 x 8 inches 1.25 x 2.13 x 7.75 inches

    Customer Questions & Answers

    Customer reviews

    4.6 out of 5 stars
    4.6 out of 5
    8,708 global ratings

    Top reviews from the United States

    Reviewed in the United States on June 2, 2018
    Color: Ultimate BlackVerified Purchase
    95 people found this helpful
    Report abuse
    Reviewed in the United States on December 27, 2019
    40 people found this helpful
    Report abuse
    Reviewed in the United States on May 21, 2019
    Color: ClearVerified Purchase
    57 people found this helpful
    Report abuse
    Reviewed in the United States on July 29, 2019
    Color: BlackVerified Purchase
    43 people found this helpful
    Report abuse
    Reviewed in the United States on April 15, 2019
    Color: Ultimate BlackVerified Purchase
    21 people found this helpful
    Report abuse
    Reviewed in the United States on August 22, 2017
    Customer image
    1.0 out of 5 stars Worked but cracked off on hottest areas of smoker firebox.
    Reviewed in the United States on August 22, 2017
    it worked well on SOME of the areas on my smoker that don't get that hot, but some of the hot areas of my firebox on my smoker cracked and broke and flaked right off, even after a good cleaning/brushing of debris and a two day cure.

    I will buy some more an apply it again to confirm it's use. It did plug a lot of the needed areas though.

    My infared themomoter only ready at 550 degrees and the packaging stated it can hold up to 650 degrees.
    Images in this review
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    37 people found this helpful
    Report abuse
    Reviewed in the United States on July 28, 2020
    Color: BlackVerified Purchase
    Customer image
    5.0 out of 5 stars Headlight lens transplant successful
    Reviewed in the United States on July 28, 2020
    Had to do a headlight lens transplant because I dropped and smashed the glass on my stock Harley light that would have cost me $650 to replace.

    I purchased a cheap knockoff simply to replace the lens. Doing this my greatest worry was that moisture would get into the housing if not sealed correctly.

    Well, the very afternoon after I sealed up the new lens I get caught in some monsoon riding conditions. Visibility was less than two car lengths and lighting was too close (you know that sensation when your excrement excreter puckers...that close). Anyway... long story short, this sealed up the lens weather tight, no moisture.

    I’m happy.
    Images in this review
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    8 people found this helpful
    Report abuse
    Reviewed in the United States on January 20, 2017
    Color: Ultimate BlackVerified Purchase
    33 people found this helpful
    Report abuse

    Top reviews from other countries

    Vorlockfoss
    5.0 out of 5 stars Works as described
    Reviewed in the United Kingdom on May 2, 2022
    Dan
    4.0 out of 5 stars Good sealant used for alloy thermostat housing
    Reviewed in the United Kingdom on September 13, 2019
    Necsutu Robert Nicolae
    3.0 out of 5 stars Expenssive
    Reviewed in the United Kingdom on November 29, 2021
    Paul Hewson
    5.0 out of 5 stars Brill
    Reviewed in the United Kingdom on September 5, 2019
    Mr Ronnie
    5.0 out of 5 stars very good works well
    Reviewed in the United Kingdom on June 18, 2019