Does JB plastic weld work?
Andrew Mclaughlin
Updated on January 15, 2026
For many plastics, the original J-B Weld creates a strong bond that holds up over time provided that the item isn't required to flex or bend. J-B Weld is not designed for some types of plastic, but the company makes many other epoxies designed for specific situations involving many types of plastic.
How long does it take for JB PlasticWeld to cure?
PlasticWeld™ will bond a variety of surfaces, such as metal, composites, fiberglass and others. PlasticWeld™ sets in 5 minutes at room temperature and is fully cured in 1 hour. Using a 1:1 mixing ratio, PlasticWeld™ combines to a tensile strength of 3900 PSI and cures to a translucent yellow color.What will J-B Weld not stick to?
J-B Weld will not adhere or bond well to: Any flexible rubber surface. Leather. Vinyl.Does J-B Weld work on polypropylene plastic?
J-B Weld's Plastic Bonder Syringe is a quick curing epoxy that sets in 15 minutes and cures in 30 minutes, with a strength of 3770 PSI. Ideal for repairing all ABS, PVC, polyurethane, and polypropylene plastics.Does J-B Weld plastic Bonder get hard?
With a tensile strength of 3770 PSI, PlasticBonder™ sets to a tan color and cures to a hard, permanent bond.Does JB Weld work on plastic?
How strong is JB Weld on plastic?
STRENGTH: J-B Weld PlasticWeld has tensile strength of 3900 PSI. SURFACE APPLICATIONS: Plastic & PVC, Fiberglass, Glass, ABS, Composites and Vinyl.What is the strongest glue to use on plastic?
The strongest glue to use on plastic is usually a two-part epoxy, like JB Weld PlasticWeld in a syringe. It adheres very quickly and strongly to most types of plastic, so you can form a fast, strong bond.What is the best epoxy for plastic?
Best Overall Plastic Epoxy: Gorilla 2-Part EpoxyThe Gorilla 2-Part Epoxy is considered the best overall product because it is versatile and provides a clear and tidy finish. This is a good epoxy for plastic but can also be used on metal, wood, ceramics, glass, tiles, and other surfaces.