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J-B Weld 31310 All-Purpose RTV Silicone Sealant and Adhesive - 3 oz. - Clear

4.5 out of 5 stars 955 ratings

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  • CLEAR SILICONE SEALANT & ADHESIVE: Is a general purpose sealant adhesive, RTV (Room Temperature Vulcanized)Silicone designed for use in household or mechanical assembly applications.
  • COUNT ON US: For more than 40 years, our products have earned a loyal following from people who take pride in their work. With each product we innovate, we continue to provide the world's strongest bond for your projects.
  • EASY TO USE: Silicone forms a tough, waterproof, weather resistant seal on most surfaces. It will not shrink or crack, and is great for household & automotive uses.
  • VERSATILE & DEPENDABLE: Ideal for automotive, ceramic, cloth, carpet, glass, rubber, windshields, windows, lens housings, door frames, tubs, showers & aquariums.
  • 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.

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Product description

J-B Weld Clear Silicone Sealant & Adhesive is a general purpose sealant adhesive, RTV (Room Temperature vulcanized)Silicone designed for use in household or mechanical assembly applications. Upon curing, which occurs when the product is exposed to the moisture in air, the silicone forms a tough, waterproof, weather resistant seal on most surfaces. It will not shrink or crack, is sensor safe and is great for many household and automotive applications.



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Most helpful customer reviews on Amazon.com

Amazon.com: 3.9 out of 5 stars 201 reviews
Elbeau
4.0 out of 5 stars Stays flexible. Doesn't Let Go
22 May 2019 - Published on Amazon.com
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38 people found this helpful
Lt. Frank Bullitt
4.0 out of 5 stars RTV silicone is the universal adhesive
20 February 2017 - Published on Amazon.com
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21 people found this helpful
applebear
4.0 out of 5 stars overall well
2 December 2020 - Published on Amazon.com
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Never Too Old To Learn
5.0 out of 5 stars Waterproof and clear
24 January 2021 - Published on Amazon.com
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5.0 out of 5 stars Waterproof and clear
Reviewed in the United States on 24 January 2021
I bought this to attach items in snowglobes, and to seal the bottoms. It's a small tube, designed for small jobs. I used half a tube for 2 snowglobes. It came with a pointed cap to squeeze out a fine bead, but it seemed hard to squeeze out of the cap--I'm so used to using a calking gun. It was much easier to squeeze it right out of the tube. This sealant is thick coming out, but you can manipulate it for a while before it sets up. So it'a a totally different consistency than silicone caulk. It seemed to me that it dried in a couple of hours, and totally cured in 24 hours. It is crystal clear. There is a smell for about an hour, but not too bad. I needed a waterproof seal, and this is it. I think normal people use this on aquariums.
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TUCO H.
2.0 out of 5 stars Very Hard to Use; Very Hard to Even Get One Drop of This Gunk out of the Tiny Plastic Tip
11 September 2019 - Published on Amazon.com
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