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🔥 Fix it once, fix it hot — the ultimate high-heat epoxy for unstoppable repairs!
J-B Weld 8297 is a 2-ounce grey epoxy putty engineered for extreme heat resistance, curing to a tough, machinable bond that withstands continuous heat up to 450°F and intermittent spikes to 500°F. With 800 PSI tensile strength and compatibility across metal, ceramic, concrete, and brick, it’s the go-to solution for automotive and industrial maintenance projects requiring durable, heatproof adhesion.





| ASIN | B007PP26RI |
| Best Sellers Rank | #13,991 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #39 in Epoxy Adhesives |
| Brand | J-B Weld |
| Brand Name | J-B Weld |
| Color | Grey |
| Colour | Grey |
| Compatible Material | Brick, Ceramic, Concrete, Metal |
| Container Type | Tube |
| Customer Reviews | 4.4 out of 5 stars 7,332 Reviews |
| Full Cure Time | 8 Hours |
| Global Trade Identification Number | 00043425082978, 06935743366714 |
| Included Components | Nozzle |
| Item Form | Putty |
| Item Package Quantity | 1 |
| Item Type Name | BONDING_ADHESIVES |
| Item Weight | 0.07 Kilograms |
| Item form | Putty |
| Manufacturer | J-B Weld |
| Material | Resin |
| Material Type | Resin |
| Model | 8297 |
| Number of Pieces | 1 |
| Other Special Features of the Product | High Heat Resistant |
| Part Number | 8297 |
| Special features | High Heat Resistant |
| Specific Uses For Product | Automotive, Industrial Maintenance |
| Specific uses for product | Automotive, Industrial Maintenance |
| Tensile Strength | 800 Pounds Per Square Inch |
| UPC | 043425082978 043425700094 |
| Unit Count | 1 Count |
| Viscosity Level | Medium to High |
| Volume | 2 Fluid Ounces |
| Warranty Description | No Warranty |
| Water Resistance Level | Not Water Resistant |
F**.
just amazing
i used this in my power steering pump and it stopped the leak, heat proof and durable. 100% recommended.
A**C
Welded my header heat shield with this
Very good quality item. Used it for my header heat shield
A**I
Strong
Strong
M**H
ممتاز وسهل الاستخدام
يصبح صلب بعد ٦ ساعات
R**R
poor product. waste of money.
poor product. waste of money. not working.
S**Y
Very bad product
Very baaaaaaaaaaad It's expire product
أ**د
Bad
المنتج سيء عند تعرضه للحرارة لم يعد يعمل
A**E
السلعة فاسدة ومنتهية الصلاحية
استلمت المعجون اللاصق وعند فتحه للاستخدام تبين انه فاسد ومنتهي الصلاحية ولا انصح بالتعامل مع هذا البائع لانه يبيع سلع منتهية الصلاحية ولا يقبل الارجاع أيضا
G**T
Trés bonne colle haute température
Excellent produit qui m'a permis de réparer une pièce dans mon four qui monte à 270 °C Je le recommande Excellent rapport qualité prix dans une gamme où il est difficile de trouver un mastic qui résiste à une telle température
M**K
Amazing
Does what it says on the tin, had a small puncture hole in my sump, sealed it no leaks
M**S
Repaired my exhaust with this! Saved me $$$
This stuff is great! I just used it to patch a cracked exhaust on our Toyota Corolla. I was about to invest 300 and parts plus an hour or two in labor. But when I inspected the exhaust closely from the Cadillac converter all the way back to the muffler. I noticed almost everything was in pretty good shape other than the one spot where there was a hairline fracture. Right after the joint, headed towards the muffler. On a whim, I decided to check on here to see what they had for muffler repair because I hadn’t been pleased with the local advanced auto had on the shelves. I found this and the JB weld muffler repair. I bought both, but I ended up going with this because I thought for my particular situation this would be the best. I’m glad I did. It was really easy to use. I prepped the area by wire brushing around the crack. And then using a rag with isopropyl alcohol to clean before applying. Wasn’t sure how much to use, but I put on a pair of latex gloves and cut approximately half the product to use. I mixed it with my hands while wearing the gloves until it was a uniform color and then I applied it to the crack all the way around the muffler. It was easy to apply and mold into the shape I wanted. It was only like 40° outside, so I propped up a heat gun from a distance and let that hit it for about an hour. After that, I didn’t start the car until the next morning but when I did, it sounded perfect again! So far I’m really happy. I haven’t driven the car much yet so I will keep the review updated. But so far I’m very pleased and hopeful based on other reviews. In my case, I would rate this an incredible value for the money!
P**N
Fast delivery
Product delivery than schedule but it look old and dusty.
S**H
Jag såg det på ett YouTube videos först
Hål i avgasröret på min bil. Bilen blev godkänd på besiktningen. Jag rekommenderar detta.
Trustpilot
2 months ago
1 month ago