J-B Weld MarineWeld™ Epoxy Syringe, 25ml
Strong, underwater-resistant J-B Weld epoxy (3,200 PSI) for marine & metal repairs. Sets in 20 mins.
The J-B Weld MarineWeld™ Epoxy Syringe is a specially formulated two-part Cold-Weld™ adhesive system designed for strong, lasting repairs on a variety of surfaces—including metal, composites, fibreglass, and more. Its water-resistant, chemical-resistant, and UV-resistant formulation makes it ideal for both marine and industrial applications.
Once fully cured, this epoxy is suitable for underwater use, retaining its structural integrity whether submerged or exposed to harsh environmental conditions. It can be shaped, tapped, filed, sanded, and drilled without compromising strength.
Key Benefits:
- High bonding strength (3,200 PSI) ensures durable repairs.
- Fast 20-minute set time allows for initial handling.
- Full cure in 15–24 hours, depending on conditions.
- White colour when dry for aesthetic discretion.
Perfect for marine repairs, underwater applications, and structural bonding where traditional adhesives fail, the J-B Weld MarineWeld™ Epoxy Syringe is a reliable choice for professionals and DIY enthusiasts alike.
Need larger quantities? Need additional quantities? Get in touch and we'll arrange it for you.
- +12
- Shipped within 0-2 business days
- Shipping to United States: 3-5 business days*
- Free Shipping Included
- Marine repairs
- Underwater applications
- Bonding metal surfaces
- Fiberglass repairs
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- **Material:** Two-part epoxy adhesive
- **Bonding Strength:** 3,200 PSI
- **Set Time:** 20 minutes
- **Cure Time:** 15–24 hours
- **Colour When Dry:** White
- **Size:** 25ml
- **Weight:** 80g
- **Resistance:** Water, chemicals, UV
- **Applications:** Underwater repairs, metal bonding, composite fixes
Hazard information
P271
Use only outdoors or in a well-ventilated area.
P501
Dispose of contents/container to …
P280
Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/…
P261
Avoid breathing dust/fume/gas/mist/vapours/ spray.
P302 + P352
IF ON SKIN: Wash with plenty of water/…
P312
Call a POISON CENTER/doctor/…/if you feel unwell.
H317
May cause an allergic skin reaction.
H332
Harmful if inhaled.
P272
Contaminated work clothing should not be allowed out of the workplace.
P333 + P313
If skin irritation or rash occurs: Get medical advice/attention.
P362 + P364
Take off contaminated clothing and wash it before reuse.
P304 + P340
IF INHALED: Remove person to fresh air and keep comfortable for breathing.
H334
May cause allergy or asthma symptoms or breathing difficulties if inhaled.
P284
[In case of inadequate ventilation] wear respiratory protection.
P342 + P311
If experiencing respiratory symptoms: Call a POISON CENTER/doctor/…
Documents
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We offer a 30-day money-back guarantee on most products. For defective items, contact us within 14 days for a replacement or refund.
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