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Item #:
1580785
J-B Weld 31319 Black RTV Silicone Sealant and Adhesive - 3 oz.
Item #:
1580785
€ 12
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Imported from USA store
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Order now and get it around Saturday, August 22
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What Stands Out
High Temperature Resistance
This silicone sealant withstands extreme temperatures, making it ideal for automotive and household repairs, ensuring a durable bond that lasts in harsh conditions.
Superior Flexibility
Designed to remain flexible after curing, this sealant adapts to movement and stress, preventing cracks and ensuring a long-lasting seal in various applications.
Fast Curing Time
With a quick curing process, users can complete their projects efficiently without long waiting periods, making it a time-saving solution for urgent repairs.
Product Details
- All-purpose RTV silicone sealant and adhesive in white, designed for household or mechanical assembly applications
- Forms a tough, waterproof seal on most surfaces, resists weathering, and is sensor safe
- Versatile and dependable, suitable for tubs, showers, sinks, windows, automotive use, and more
- Easy to use and will not shrink or crack upon curing
- Proudly made in the USA, with over 40 years of trusted and reliable performance
- Comes with easy-to-follow instructions for DIY repairs and restorations
| Brand Name | J-B Weld |
| UPC | 043425313195 |
| Unit Count | 3 Ounce |
| Global Trade Identification Number | 00043425313195 |
| Number of Items | 1 |
| Included Components | JBWeld 31319 |
| Item Type Name | BONDING_ADHESIVES |
| Manufacturer | JBWeld |
| Model | 31319 |
| Part Number | 31319 |
| Item Weight | 109 g |
| Item Dimensions | 9 x 5 x 2 inches (22.9 x 12.7 x 5.1 cm) |
| Water Resistance Level | Waterproof |
| Item Form | Liquid |
| Compatible Material | Rubber |
| Style Name | Industrial |
| Color | Black |
| Surface Recommendation | Tile |
| Material Type | Plastic |
| Material | Plastic |
| Brand | J-B Weld |
| Style | Industrial |
| Item dimensions L x W x H | 9 x 5 x 2 inches (22.9 x 12.7 x 5.1 cm) |
Who Should Buy?
-
Home Repair
Ideal for sealing leaks and gaps in household plumbing and fixtures to ensure a watertight seal.
-
Automotive Use
Perfect for car repairs, particularly in sealing engine components and preventing leaks in various automotive applications.
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Craft Projects
Great for arts and crafts, allowing users to bond materials securely with a durable and flexible adhesive.
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High-Temperature Areas
Not suitable for areas that exceed the temperature limit, as it may lose its adhesive properties.
Product Description
J-B Weld 31319 Black RTV Silicone Sealant and Adhesive - 3 oz.
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is J-B Weld 31312 White All-Purpose RTV Silicone Sealant used for?
Answer: J-B Weld 31312 White All-Purpose RTV Silicone Sealant is designed for sealing and bonding a variety of materials. It provides excellent adhesion to metals, plastics, glass, and ceramics, making it ideal for use in projects around the home, automotive repairs, or DIY crafts. This silicone sealant is especially effective for creating waterproof seals in applications like bathrooms, kitchens, and outdoor fixtures, ensuring durability in various environmental conditions. -
Question:
Is J-B Weld 31312 safe to use around food?
Answer: No, J-B Weld 31312 is not recommended for use in direct contact with food. While the sealant can provide a strong bond and waterproof sealing, it is formulated for industrial and general-purpose applications, rather than food-related uses. For projects involving food prep areas or kitchen items, look for food-safe adhesive options that are specifically designed for that purpose. -
Question:
How long does it take for J-B Weld 31312 to cure?
Answer: J-B Weld 31312 typically starts to set within 30 minutes after application and fully cures in about 24 hours. It's critical to allow adequate curing time to achieve maximum strength and water resistance. For best results, apply the sealant in a well-ventilated area and ensure that the surfaces are clean and dry before application to enhance adhesion. -
Question:
Can J-B Weld 31312 be painted or dyed?
Answer: Yes, J-B Weld 31312 can be painted after it has fully cured, which allows for greater customization in projects. It is recommended to use acrylic or oil-based paints for best adherence. Ensure the surface is clean and dust-free before painting. This feature makes it a versatile option for matching colors in household repairs or artistic endeavors. -
Question:
What are the temperature limits for J-B Weld 31312?
Answer: J-B Weld 31312 is designed to withstand temperatures ranging from -60°F to 400°F (-51°C to 204°C) once cured. This makes it suitable for a wide variety of applications, including under-the-hood automotive repairs, plumbing, and household fixtures. Ensure that the working environment is within this temperature range during application to maintain optimal performance. -
Question:
Is J-B Weld 31312 waterproof?
Answer: Yes, J-B Weld 31312 is waterproof once cured, making it an excellent choice for sealing areas exposed to moisture, such as sinks, showers, and outdoor fixtures. Its waterproof properties ensure that it can prevent water leaks and withstand exposure to heavy rain or humidity, which is crucial for maintaining the integrity of your sealing applications. -
Question:
How do you apply J-B Weld 31312 for the best results?
Answer: To achieve the best results with J-B Weld 31312, begin by cleaning the surfaces to be bonded, ensuring they are free from dust, oil, and moisture. Apply the sealant directly from the tube, using a caulking gun if necessary, and smooth the sealant with a finger or a tool for an even application. Ensure a consistent coverage and allow it to cure as per the instructions for maximum effectiveness. -
Question:
Can J-B Weld 31312 be used on glass surfaces?
Answer: Yes, J-B Weld 31312 is suitable for glass surfaces, providing a strong bond that is both transparent and waterproof once cured. This versatility makes it perfect for repairing or sealing glass items, such as aquariums, windows, and decorative pieces. Ensure that both surfaces are clean and dry for the best adhesion when working with glass. -
Question:
Is J-B Weld 31312 resistant to chemicals?
Answer: Yes, J-B Weld 31312 exhibits resistance to many household chemicals, oils, and solvents after curing. This characteristic makes it suitable for automotive repairs where exposure to fuels and oils is common. However, it's essential to avoid prolonged exposure to highly corrosive substances, which could compromise the sealant's integrity over time. -
Question:
Where can I buy J-B Weld 31312 White All-Purpose RTV Silicone Sealant and Adhesive - 3 oz?
Answer: You can buy J-B Weld 31312 White All-Purpose RTV Silicone Sealant and Adhesive - 3 oz from Ubuy in Malta. Ubuy offers a straightforward shopping experience, ensuring that you can easily find and purchase this versatile sealant for your home improvement needs.
J-B Weld Silicone Adhesives Editorial Review
The J-B Weld 32329 Ultimate Black RTV Silicone Gasket Maker and Sealant has garnered a strong reputation among DIY enthusiasts and professionals alike. Reviewers frequently praise its robust performance characteristics, with many noting its exceptional durability and versatility for a wide range of applications, from plumbing repairs to automotive projects. The sealant is designed to form a resilient bond that holds up under various environmental conditions, including extreme temperatures and moisture, making it ideal for both indoor and outdoor use. One major highlight of this product is its ease of use. The nozzle allows for precise application, significantly reducing waste and mess, which is particularly appreciated during detailed jobs that require accuracy. The sealant has a well-balanced Consistency that is neither too runny nor excessively thick, effortlessly filling gaps and cracks. Moreover, cleanup after application is straightforward, enabling users to wipe away excess sealant without hassle. Aesthetically, the black color is a notable feature, allowing it to blend seamlessly with darker surfaces for a clean and professional finish. Despite some critiques regarding the tube's durability, users generally feel that the product delivers on its promise. It requires a bit of caution during application to avoid damaging the tube, but those who manage this find the tubing size sufficient for several projects. In summary, the J-B Weld 32329 is a dependable silicone sealant that excels in durability, application ease, and versatility, making it an essential tool for any project where a strong, long-lasting bond is required. **
Customer Reviews & Ratings
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Pros
- Exceptional durability and bonding strength.
- Easy to apply with precision nozzle.
- Good Consistency; not too runny or thick.
- Simple cleanup process.
- Aesthetic black color blends well with dark surfaces.
- Versatile for various applications.
Cons
- Tube can be prone to bursting if squeezed too hard.
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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€ 12
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Features & Benefits
- General purpose Sealant Adhesive RTV Silicone
- Forms tough, waterproof seal on most surfaces
- Resists shrinking, cracking, and weathering
- Perfect for household and automotive applications
- Proudly made in the USA
- Provides the world's strongest bond for projects
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