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J-B Weld Plastic Bonder Syringe - Black 25ml

50139 Black Plastic Bonder Syringe FLT.j


3770 PSI

Set Time

15 minutes

Functional Cure

30 Minutes

J-B Weld Plastic Bonder is a quick-setting, two-part, urethane adhesive system that provides strong and lasting repairs and works on thermoset, carbon fiber composites, thermoplastics, coated metals, concrete & more.

Plastic Bonder has a 1:1 mixing ratio, sets in 15 minutes and can be sanded after 30 minutes. With a tensile strength of 3770 PSI, Plastic Bonder sets to a black color and cures to a hard, permanent bond.


Great For:

  • Filling Dents

  • Bumpers

  • Automotive Trim

  • Composite Panels

  • Interior & Exterior Plastic Parts

  • Fiberglass

Cure Colour


Made in the USA US flag



Clean repair area of dirt, grease, oil, paint, rust etc. For best results use a detergent or degreaser to first clean the surface, then roughen surface with file or coarse snadpaper to provide best repair.


After removing the replaceable cap, press down on plunger and squeeze equal amounts onto a disposable surface and mix thoroughly.


Press with appropriate tool in an even coat, weld bead or extruded shape as needed.


Sets in 15 minutes. Cures in 30 minutes. If temperature is below 40ºF, then set time will be longer.

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