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🌊 Seal the deal with the ultimate marine epoxy—don’t let your repairs sink!
J-B Weld 8272 MarineWeld is a two-part, steel-reinforced epoxy designed for tough, waterproof repairs on marine and watercraft surfaces. With a tensile strength of 5020 PSI, it sets in 4-6 hours and fully cures in 16-24 hours to a durable, dark grey finish that can be sanded, drilled, and molded. Compatible with metals, composites, fiberglass, plastic, and wood, it withstands extreme temperatures up to 550°F and resists petroleum, chemicals, and acids—making it the go-to solution for lasting, professional-grade marine repairs.

| ASIN | B000KKPFFA |
| Best Sellers Rank | #4,984 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #9 in Tile Epoxy Adhesives |
| Brand | J-B Weld |
| Brand Name | J-B Weld |
| Color | Blue/Black |
| Compatible Material | Alloy Steel, Aluminum, Metal, Plastic, Wood |
| Container Type | Tube |
| Customer Reviews | 4.7 out of 5 stars 7,355 Reviews |
| Full Cure Time | 15 hours |
| Global Trade Identification Number | 00043425082725 |
| Included Components | JBWeld 8272UK |
| Item Form | Paste |
| Item Package Quantity | 1 |
| Item Type Name | BONDING_ADHESIVES |
| Item Weight | 2.5 ounces |
| Manufacturer | JBWeld |
| Material | Epoxy Resin |
| Material Type | Epoxy Resin |
| Model | 8272UK |
| Number of Pieces | 1 |
| Other Special Features of the Product | Strong |
| Part Number | 8272UK |
| Special Feature | Strong |
| Specific Uses For Product | Marine, Watercraft, Water Repairs |
| Tensile Strength | 5020 psi |
| UPC | 043425082725 700736744130 043425700032 796793064694 043425008725 |
| Unit Count | 2 Ounce |
| Viscosity Level | Medium |
| Volume | 59.14 ml |
| Warranty Description | Manufacturer Warranty |
| Water Resistance Level | Waterproof |
D**.
I really like this product
This stuff is amazing. Works with so many projects... I love it!
J**T
Awesome
i use this stuff in crafting and i gotta say it works great. super easy to use, just mix parts A & B. it dries to a very dark glossy grey. its smooth and is very durable. i find that it holds the joint very well. these are small tubes but go a long way, plus the price is right so its all a win win
R**K
Excellent for all weather applications
Likely the best epoxy you can buy legally. Stuff cures to a strength we have been able to break yet. I have used it on shower doors, boats, cars and anything I can think of where the weather is going to be a factor. It works well.
T**C
Repairs,the unrepairable
I used this wonderful stuff to repair eyeglass frames. Using care,and a small amount I reconnected the frames at the most fragile area,where the eyeframe and ear piece begin. It has been months and it is still holding. I can't fold them up,but that's ok.
L**N
Good product
Works Well
D**O
Durable and easy to use.
Perfect for sealing leaks in an aging pool filter housing.
M**.
Excelente producto
Pedido especial
L**S
Since they only give me 80% of the product I'm only giving them 80% of 5 Stars [UPDATED}
I've used about six pairs of J.B. Weld in the past three months and haven't found a single tube that was completely full of product. Most have an air bubble within the tube that causes a loss of about 5-10% of product, but I've had a couple that were about 20% air in the middle of the tube, and one was only about three-fourths full! What makes this worse is that I seem to be coming out short on the resin every time so even the remaining hardener can't be used if I keep the mixture 50/50 on each application. I love the product that I do get. It works great. But these air pockets within the tube are so common it's hard to believe they're not aware of this issue. I get why this happens with products like potato chips and cereal, but there's no excuse for it here. Toothpaste manufacturers have figured out how to resolve this, so surely the same production technology can be applied to J.B. Weld. UPDATE I notified J.B. Weld customer support by email of the issue I had with the air pockets and they promptly responded with an apology and seemed sincerely grateful and interested in learning more. They requested images I had taken documenting how the product was used (which I had offered in my original email) and informed me they were sending replacement product. I had not asked for, nor did I expect, any form of compensation. I just wanted to let them know they had a production issue. I expected to get a free set of J.B. Weld, which would have more than made up for the missing product within the tubes I used, but was sent replacements for *all four* of the sets I had used (2 J.B Weld and 2 Marine Weld). I've always felt that the problem I have with anyone I'm doing business with doesn't matter nearly as much as how they handle the problem. In this case, they more than earned their 5th star back, and they got their customer back.
B**T
Easy to use and it works!
Fixed a split in my kayak and it floats! Not the prettiest fix but worked for me.
E**Z
tarda horas en endurecer para fijar las piezas, pero cuando seca queda sólido de verdad
si eres fan de los epóxicos que en minutos endurecen al grado de fijar las dos piezas a unir, no es el caso con este epóxico. Tarda literalmente de 4 a 6 horas para endurecer un poco como para fijar las piezas , debes de sostener las piezas a unir con una prensa o algo así porque de otro modo no se sostienen. Y para el secado total tarda de 15 a 24 horas. Es un epóxico LENTO, muy lento, no de los que fijan en minutos. La masilla la puedes seguir trabajando hasta dos horas después de prepararla lo cual es una ventaja dependiendo de la situación. Una vez que seca completamente después de 24 hrs, queda definitivamente adherido y sólido. Por eso cambié mi calificación
M**I
OTTIMO!!
Ottimo prodotto! Usato per la saldatura di parti in carbonio. Una volta mescolato si ottiene una pasta abbastanza densa e appiccicosa. Si mantiene morbida ed applicabile per almeno un'ora e mezza a circa 18/20 gradi, temperatura minima per la catalisi, con il passare del tempo inizia l'indurimento. Per favorire la catalisi fino a completamento della polimerizzazione, soprattutto in Inverno, consiglio l'esposizione delle parti unite vicino ad una fonte di calore continuo, tipo una stufetta, in modo da avere il completo indurimento della colla applicata in tempi molto ridotti: 90 minuti per un buono indurimento. Poi attendere le 18/24 ore per ottenere le prestazioni riguardanti la tenuta in trazione e la completa lavorabilità. Spedizione eccellente.
R**0
A strong long-lasting adhesive
Very strong epoxy adhesive which lasts a long time in adverse conditons.
A**R
Excellent
Dries very hard and works well.
Trustpilot
1 month ago
1 month ago