I have 30 year old metal stock tanks which finally started to leak. I drained dried, sanded and cleaned, then applied to the small holes I had marked and no more leakes.
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This item: J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant - Red - 3 oz.
$9.74 ($3.25/Ounce)
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$9.99 ($1.00/Foot)
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$13.99 ($2.33/Count)
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From the manufacturer
J-B Weld Silicone Sealant & Adhesive
J-B Weld Hi-Temp Red Silicone Gasket Maker & Sealant is an RTV (Room Temperature Vulcanized) Silicone gasketing material designed for use in mechanical assemblies where the existence of higher, continuous temperatures up to 550°F or 650° intermittent might exist. Upon curing, which occurs when the product is exposed to the moisture in the 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.
J-B Weld Hi-Temp RTV Silicone
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J-B Weld Ultimate Copper RTV Silicone
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J-B Weld Clear RTV Silicone
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J-B Weld White RTV Silicone
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J-B Weld Blue RTV Silicone
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J-B Weld Ultimate Grey RTV Silicone
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| Customer Reviews |
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3,200
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| Price | $9.74 | $11.93 | $6.95 | $6.79 | $7.05 | $8.30 |
| Product Description | 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 Copper Gasket Maker & Sealant is designed for use in mechanical assemblies where high torque or closely spaced bolt profiles cause gasket and sealing failures. It will not crack or shrink, resists weathering, and is sensor safe. | 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 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 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°. |
| Surface Application | Great for: Oil Pans, Valve Covers, Exhaust Manifolds, Water Pumps, Timing Covers, Differential Covers, Drive Housing, Oven Doors & more! | Great for: Exhaust Manifolds, Thermostat Housing, Valve Covers, Differential Covers, Timing Gear Covers and etc. | 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: Timing Gear Covers, Transmission Pans, Oil Pans, Water Pumps, Valve Covers, Differential Covers, Thermostat Housing and more! | Great For: Import Vehicles, Intake Manifolds, Transmission Pans, Oil Pans, Timing Gear Covers, Cam Covers and more! |
| Cure Color | Red | Copper | Clear | White | Blue | Grey |
| 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 |
Worked fantastically for a solid diff gasket
The differential seal on our van started to leak, so I did a full drain and fill. This JB gasket maker went on easily and did the job. I actually like the red color so you can see where you’ve smeared it on the metal surfaces.Just be sure to clean the surfaces well and follow the directions on the bottle. Following a month of use, the gasket has held up well and there are no leaks. I have plenty of material left in the tube for a few more jobs, but when I run out, I’ll be getting this brand again.
Top reviews from the United States
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Top reviews from other countries
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Bhargav PatelReviewed in India on November 19, 2023
VERY Strong Bond And Temperature Rasistance
Size: 3 OunceVerified Purchase -
- MohanReviewed in Singapore on October 10, 2021
Just what I needed to get the work done
Size: 3 OunceVerified Purchase
Bought this to fix the inner and outer glass of my electric oven door. Been looking for one at the local hardware stores but didn’t find one. Purchased this since it’s mentioned for glass and oven doors and suitable for high temp applications. Worked great and baked a few cakes since - all good. Just has to take note that it takes about 24 hours to complete heal.MohanJust what I needed to get the work done
Reviewed in Singapore on October 10, 2021
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- ChristopherReviewed in Australia on December 31, 2020
JB weld high temp RTV
Size: 3 OunceVerified Purchase
