

⚓ Seal it. Fix it. Sail on with confidence.
J-B Weld 50172 MarineWeld Syringe is a high-viscosity, two-part adhesive designed specifically for marine and watercraft repairs. It delivers a waterproof, UV-resistant, and chemically durable bond with a tensile strength of 2350 PSI. Packaged in a user-friendly syringe for precise 1:1 mixing, it fully cures in 1 hour, making it the go-to solution for professionals and enthusiasts needing fast, reliable fixes on fiberglass and plastic surfaces.














| ASIN | B00R2CDVIW |
| Best Sellers Rank | #2,267 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #38 in Hardware Adhesives & Sealers |
| Brand | J-B Weld |
| Brand Name | J-B Weld |
| Color | 25 ml. |
| Compatible Material | Plastic |
| Container Type | Syringe |
| Customer Reviews | 4.6 out of 5 stars 2,935 Reviews |
| Full Cure Time | 1 Hours |
| Global Trade Identification Number | 00043425501721 |
| Included Components | JBWeld 50172 |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Type Name | BONDING_ADHESIVES |
| Item Weight | 2.1 Ounces |
| Manufacturer | JBWeld |
| Material | Fiberglass |
| Material Type | Fiberglass |
| Model | 50172 |
| Other Special Features of the Product | UV Resistant, Waterproof |
| Special Feature | UV Resistant, Waterproof |
| Specific Uses For Product | Marine, Watercraft Repair |
| Tensile Strength | 2350 Pounds Per Square Inch |
| UPC | 043425501721 043425700162 |
| Viscosity | High Viscosity |
| Volume | 25 Milliliters |
| Warranty Description | Manufacturer Warranty |
| Water Resistance Level | Waterproof |
S**N
Performance
So happy they came put with white marine grade. I use this on my Hurricane boat to patch minor holes and worked out perfect. I have always trusted JB Weld to do the job and it keeps performing.
A**R
Works amazing for fiberglass repair
Great for fiberglass repair on my hood that was splitting! Holds very Strong! Very straight foreword to apply.
T**.
Fixed a chip in my fiberglass tub
I used this to fill a chip I had in my white fiberglass tub. It worked FLAWLESSLY, and dried quickly to a very hard fill. Super pleased.
C**S
Good product, bur small containers
This product sets up well, but not as hard as other epoxies from this company. The packages do not contain a lot of product, but are suitable for smaller repairs, and the adhesion is good. I would recommend it with the caveats above.
G**T
Original product
Great original product. Works great on the little aluminum boat to patch holes and strengthen up a few spots
A**N
easy to use. saved money.
easy to use. Had 3 chips in my sink and this covered them easily. took about 12 hours to dry hard, but could use sink in 3 hours. now i just have to lightly sand. Was going to get a new bath vanity, and now don't have to!
R**N
Very strong
Very strong. Fixed a boat hatch strut bracket that the holes were wallowed out. Filled the holes and installed new screws strong fix. Also fixed a button snap hole in the boat deck.
C**W
Starts to cure in minutes
FYI...I think the packaging says "ready to sand in one hour" and they're not kidding. I set up my project, mixed the content inside the two syringes together, and started applying the epoxy working from one end of a crack to the other end. It started hardening on me before I could cover the entire crack. So if you need a little more time, I would buy the stuff that cures in 2 hours.
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