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216727858
J-B Weld 37901 ExtremeHeat High Temperature Resistant Metallic Paste - 3 oz
90% of respondents would recommend this to a friend
Nº de artículo:
216727858
USD 15
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J-B Weld ExtremeHeat is formulated to allow for repairs to iron, steel and metal in high temperature environments (1000°F / 537°C).
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What Stands Out
High Temperature Resistance
Withstands extreme heat up to 2,400°F, making it ideal for automotive and industrial repairs where conventional adhesives fail.
Metallic Paste Formula
Unique metallic formulation ensures superior bonding strength and durability, providing a long-lasting solution for various repairs on metal surfaces.
Versatile Application
Perfect for multiple materials, including metal, brick, and ceramic, allowing users to tackle a wide range of repair projects with just one product.
Detalles de producto
| Specific Uses For Product | ['Repair', 'High Temperature Environments'] |
| Item Form | Paste |
| Other Special Features of the Product | Heat Resistant |
| Container Type | Tube |
| Viscosity Level | High |
| Full Cure Time | 24 hours |
| Water Resistance Level | Waterproof |
| Compatible Material | Alloy Steel, Iron |
| Item Package Quantity | 1 |
| Volume | 3 fluid ounces |
| Material Type | Metal, Aluminum |
| Color | Grey |
| Brand Name | J-B Weld |
| Model | 37901 |
| Unit Count | 3 Ounce |
| UPC | 043425379016 |
| Number of Pieces | 1 |
| Global Trade Identification Number | 00043425379016 |
| Manufacturer | JBWeld |
| Included Components | Metallic Paste Repair Bottle 3 oz. |
| Item Type Name | ExtremeHeat High Temperature Resistant Metallic Paste - 3 oz |
| Part Number | 37901UK |
| Brand | J-B-Weld |
| Material | Metal, Aluminum |
| Special Feature | Heat Resistant |
| Package Weight | 1 Pound (450 grams) |
| Country of Origin | This item will be imported from US |
| Date First Available | March 29, 2021 |
Who Should Buy?
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Automotive Repairs
Ideal for sealing and repairing exhaust systems or engine components exposed to high heat conditions.
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Home Projects
Great for repairing high-temperature appliances like ovens and grills that require heat-resistant materials.
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Metal Fabricators
Useful for metal bonding in applications involving heat and where strong, durable connections are necessary.
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Non-Heat Applications
Not suitable for projects that don't involve high temperatures or where heat resistance is unnecessary.
DESCRIPCIÓN DEL PRODUCTO
J-B Weld 37901 ExtremeHeat High Temperature Resistant Metallic Paste - 3 oz
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Preguntas y respuestas de los clientes
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Pregunta:
What is J-B Weld 37901 ExtremeHeat used for?
Respuesta: J-B Weld 37901 ExtremeHeat is a high-temperature resistant metallic paste designed for repairing, sealing, and bonding in extreme heat environments. This product can withstand temperatures up to 2,500°F (1371°C), making it ideal for use on exhaust manifolds, automotive parts, and gas appliances. It’s particularly valuable in applications where traditional adhesives might fail due to thermal expansion or intense heat, providing lasting hold even in the most severe conditions. -
Pregunta:
How do you apply J-B Weld ExtremeHeat paste?
Respuesta: To apply J-B Weld ExtremeHeat paste, first clean the surfaces to remove any dirt, grease, or rust. Use a suitable tool to mix the paste well before applying it directly to the repair area. Spread it evenly for optimal adhesion. Once applied, let it cure for 4-6 hours before subjecting it to heat or pressure. This ensures strong bonding, making it ideal for automotive repairs or high-temperature applications where reliable performance is crucial. -
Pregunta:
Is J-B Weld ExtremeHeat suitable for underwater repairs?
Respuesta: No, J-B Weld 37901 ExtremeHeat is not recommended for underwater repairs. While it offers high-temperature resistance, it is not formulated to cure effectively in wet conditions. For projects that require underwater bonding or sealing, consider using a different product specifically designed for such environments, as J-B Weld ExtremeHeat excels in high-temperature, dry conditions rather than submerged applications. -
Pregunta:
Can J-B Weld ExtremeHeat be used on metals?
Respuesta: Absolutely! J-B Weld 37901 ExtremeHeat is designed specifically for bonding metals, making it ideal for auto repairs, engine parts, and more. Its metallic paste formula creates a strong bond between metal surfaces, ensuring durability under high heat. This is particularly useful in cars or machinery where metal components frequently expand and contract due to temperature changes. -
Pregunta:
What surfaces can J-B Weld ExtremeHeat bond to?
Respuesta: J-B Weld ExtremeHeat can bond to a variety of surfaces including metal, some plastics, ceramic, and fiberglass. Its versatility makes it suitable for a range of projects from automotive repairs to household fixes. It's crucial, however, to prepare the surfaces properly for the best results, ensuring that they are clean and free of contaminants for optimal adhesion and durability. -
Pregunta:
What is the working time of J-B Weld ExtremeHeat?
Respuesta: The working time for J-B Weld 37901 ExtremeHeat is approximately 6-8 minutes after mixing. During this window, you can apply the paste and make adjustments as needed. It’s essential to act within this timeframe, as the paste begins to set quickly, allowing for efficient handling in projects like exhaust or engine repairs that require precision and care. -
Pregunta:
How long does it take for J-B Weld ExtremeHeat to cure?
Respuesta: J-B Weld 37901 ExtremeHeat typically cures fully within 24 hours, achieving maximum strength and resistance to high temperatures. It's crucial to allow sufficient time for curing to ensure a reliable and long-lasting bond, especially in high-stress environments like automotive applications, where the integrity of repairs is vital. -
Pregunta:
Is J-B Weld ExtremeHeat toxic once cured?
Respuesta: Once fully cured, J-B Weld 37901 ExtremeHeat is generally considered non-toxic and safe for use in most applications. However, during the mixing process and before it cures, the paste can release fumes that may be harmful. Hence, it’s advisable to work in a well-ventilated area and use appropriate protective gear to mitigate any potential risks during application. -
Pregunta:
Can J-B Weld ExtremeHeat be sanded or painted?
Respuesta: Yes, after J-B Weld 37901 ExtremeHeat has fully cured, it can be sanded to achieve a smooth finish or painted over if desired. This feature enhances its versatility, allowing you to blend repairs seamlessly into the surrounding area for a more polished look, especially useful in visible automotive or household applications. -
Pregunta:
Where can I buy J-B Weld 37901 ExtremeHeat High Temperature Resistant Metallic Paste - 3 oz?
Respuesta: You can purchase J-B Weld 37901 ExtremeHeat High Temperature Resistant Metallic Paste - 3 oz from Ubuy in Ecuador. Ubuy offers a reliable platform to find this high-performance adhesive, ensuring you access quality products that meet your repair needs.
J-B Weld Industrial Lubricants Editorial Review
The J-B Weld 37901 ExtremeHeat High Temperature Resistant Metallic Paste has largely impressed its users with its impressive durability and efficacy for high-temperature repairs. Many customers appreciate its ability to withstand extreme conditions, especially in applications like repairing wood stoves, filling rusted holes, or repairing automotive components like O2 sensor bungs. Users report a seamless experience when applying the paste, stating that thorough surface preparation—such as cleaning and proper stirring—is critical for optimal performance. Feedback highlights how the adhesive bonds effectively, even under direct fire exposure, making it a reliable alternative to professional welding. One user successfully mended a cracked ash fettle of a wood stove, experiencing no degradation in the bond despite many fires afterward. Other applications, such as sealing exhaust components, have also yielded positive results, eliminating leaks and preventing issues like check engine lights. However, some users have mentioned that the paste can be messy and requires patience, as its initial runny Consistency can be challenging when working on vertical surfaces. While customers have expressed complete satisfaction with the product's performance, they advise Prospective users on best practices for application, including thorough mixing and surface preparation, underscoring the paste's one-time-use nature. **
Customer Reviews & Ratings
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ventajas
- Exceptional heat resistance and durability.
- Effective for a variety of applications (e.g., automotive, wood stoves).
- Forms strong, lasting bonds with proper preparation.
- Positive long-term results reported even under extreme conditions.
Contras
- Requires careful surface preparation for best results.
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“Great products and very good service: very easy and very fast international delivery.”
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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características y beneficios
- Repairs iron, steel, and metal in high temps up to 1000°F (537°C).
- Creates a permanent bond stronger than steel.
- Water-based, non-flammable, and free from solvents and VOCs.
- Easy to use and can be drilled, machined, or sanded after curing.
- Excellent for various repairs like exhaust manifolds, mufflers, and grills.
- Works effectively in extreme environments.
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