J-B Weld Plasticbonder Black Syringe Epoxy Adhesive 25 ml
J-B Weld Plasticbonder Black Syringe Epoxy Adhesive 25 ml
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J-B Weld Plasticbonder Black Syringe Epoxy Adhesive 25 ml

4.6 stars out of 437 reviews
(4.6)|
437 ratings
J-B Weld Plasticbonder Black Syringe Epoxy Adhesive 25 mlJ B Weld PlasticBonder Black Syringe Epoxy Adhesive 25 ml
Assembled Product Weight:1.2 lbs
Pack Size:Single

Key item features

  • Rapid Setting: This two-part urethane adhesive system sets in just 6 minutes, allowing for quick repairs and can be sanded after 1 hour.
  • Durable Bonding: Achieves a strong, permanent bond with a tensile strength of 3770 PSI, suitable for various materials.
  • Versatile Application: Ideal for filling gaps and bonding plastic to metal, as well as plastic to plastic, thermoset, carbon fiber composites, thermoplastics, coated metals, and concrete.
  • Black Finish: The adhesive dries to a black color, providing a consistent appearance for repairs.
  • Mess-Free Design: Features a no-mess, no-waste cap that screws on one way, preventing accidental mixing and ensuring the product won't dry out.
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Current price is $7.73$9.09/fl oz
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About this item

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Customer ratings & reviews

4.6 out of 5 stars
stars437 ratings165 reviews
How item rating is calculated
  1. 5 stars81% (354)
  2. 4 stars8% (33)
  3. 3 stars5% (21)
  4. 2 stars1% (5)
  5. 1 star5% (24)

Reviews summary

Pros
  • : Simple to mix and apply with clear directions.
  • : Bonds plastic parts together.
  • : Bonds with multiple surfaces including concrete and ceramic.
  • : Sets in about 15 minutes, allowing for quick project completion.
  • : Forms a durable bond that resists leaks.
Neutral
  • : Can be smooth, but sometimes inconsistent.
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Showing 1-3 of 165 reviews

Dec 9, 2025
katie
Top Reviewer
Item details
Assembled product weight: 1.2 lbs
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

works great!

my sons plastic kiddy pool got a few cracks in it. I bought this stuff in hopes to be able to fix it, and it worked perfectly. I used a Popsicle stick to mix the 2 sides, smeared it on the cracks on both sides and waited like an hour, filled the pool back up with water, and it was perfect.

Helpful?5TIF73GZKJNN168950018
Jan 2, 2026
ROBERT
Top Reviewer
Item details
Assembled product weight: 1.2 lbs
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

It cannot be topped by anything I have ever heard

It holds plastic stronger than anything I have ever tried to hold together. I bought 2 so as to always have an extra tube for needed repairs. The bond it stronger that the original plastic.

Helpful?5TIF73GZKJNN168950018
Oct 5, 2025
Sharon
Item details
Assembled product weight: 1.2 lbs
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Very Useful

It was easy and simple to use. It is staying put very well. I would definitely recommend this to anyone that needs to repair outdoor plastic like deck boxes. You will need something under the hole or crack to keep this stuff from dripping out. I used duct tape and it worked fine.

Helpful?5TIF73GZKJNN168950018