J-B Weld 31319 Black RTV Silicone Sealant And Adhesive 3 Ounces
Why you'll like it
- Waterproof Seal — Cures upon exposure to air moisture to form a tough and durable barrier against water and humidity.
- Weather Resistant — Will not shrink or crack over time and withstands harsh environmental elements without degrading.
- Versatile Applications — Ideal for bonding and sealing automotive accessories, window frames, windshields, and door trims.
- Uneven Surface Compatibility — Specially engineered room temperature vulcanized formula effectively bridges gaps on irregular surfaces.
Product details
Description
Discover the reliable sealing and bonding power of the J-B Weld Black RTV Silicone Sealant and Adhesive, engineered for versatile household and automotive applications. This room temperature vulcanized formula creates a tough, flexible, and waterproof seal upon curing when exposed to atmospheric moisture.
Perfectly designed to bridge and bond uneven surfaces, it exhibits exceptional resistance against weathering, mold, and mildew without shrinking or cracking over time. Whether you are working on weather stripping, door frames, windows, windshields, moldings, lens housings, or various automotive accessories, this professional-grade black silicone provides a dependable finish.
Ideal for DIY enthusiasts and professionals seeking durable repairs across multiple substrates, it delivers consistent high-performance results for all your heavy-duty sealing requirements.
How to use
- Clean and dry all surfaces to be bonded or sealed, removing any dirt, grease, or old sealant.
- Cut the nozzle to the desired bead size.
- Apply an even layer of the silicone sealant to the surface.
- Allow it to set for 1 hour and achieve a full cure within 24 hours through exposure to atmospheric moisture.
Ingredients
Silicone
As printed by the brand. Check the pack label if you have an allergy.
Specifications
| Brand | J-B Weld |
|---|---|
| UPC | 043425313195 |
| Ships from | USA (sourced directly), checked in Navi Mumbai |
| Sold by | Dropy.in |
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View allFAQs
What is RTV silicone sealant used for?
RTV silicone sealant is used for bonding, sealing, and repairing uneven surfaces. It is ideal for automotive parts, windows, windshields, weather stripping, and household fixtures because it creates a waterproof, flexible, and durable bond.
How long does J-B Weld Black RTV Silicone take to cure?
The silicone sets in approximately 1 hour upon exposure to atmospheric moisture and fully cures within 24 hours to form a permanent, weather-resistant seal.
Will this silicone sealant shrink or crack over time?
No, this advanced formula is specifically designed to resist weathering, mold, and mildew, ensuring it will not shrink, crack, or degrade under normal environmental conditions.
Are the J-B Weld products sold on Dropy India 100% authentic USA imports?
Yes, Dropy India sources all products directly from the United States, guaranteeing that you receive 100% authentic and genuine items every time you order.
Can this sealant be used on automotive windshields and window frames?
Yes, it is specifically formulated for automotive accessories, window glass, windshields, door frames, and lens housings, providing a secure and waterproof hold.
How long will delivery take?
Most orders arrive in 15–20 days: we source each product directly from the USA, check it at our Navi Mumbai warehouse and pack it on video. Items marked Dropy Express ship from our India warehouse and arrive in 3–5 days.
Is cash on delivery available?
Full cash on delivery is available all over India on Dropy Express items. For other orders from ₹2,499 to ₹15,000 you can use Partial COD: pay 25% online now and the rest in cash on delivery.
Are your products genuine?
Yes. Every product is 100% authentic, sourced directly from the USA, quality-checked and packed on video at our Navi Mumbai warehouse.
What if my order arrives damaged or wrong?
Write to us at [email protected] as soon as it arrives. Damaged, wrong or not as described, our Buyer Protection gives you a full refund. The details are in our Return, Refund & Cancellation Policy.
Is delivery free?
Delivery is free on orders from ₹1,499. Below that a ₹79 delivery fee applies.