







🛠️ Fix it once, fix it strong — the ultimate plastic bond for pros who demand perfection.
J-B Weld 50139 Plastic Bonder is a fast-setting, two-part urethane adhesive and gap filler designed for durable repairs on a wide range of plastic and composite surfaces. Delivered in a convenient syringe with a 1:1 mix ratio, it cures black in 30 hours with a tensile strength of 3770 PSI, making it ideal for automotive body panel repairs, dent filling, and more. Its resealable cap prevents drying and waste, ensuring multiple uses with professional-grade results.








| ASIN | B01IBOK7FE |
| Best Sellers Rank | #1,108 in Automotive ( See Top 100 in Automotive ) #1 in Contact Adhesives #5 in Automotive Fillers, Adhesives & Sealants |
| Brand | J-B Weld |
| Customer Reviews | 4.5 4.5 out of 5 stars (16,184) |
| Date First Available | 8 September 2016 |
| Item Weight | 60 g |
| Item model number | 50139 |
| Manufacturer | JBWeld |
| Manufacturer Part Number | 50139 |
| Model | J-B Weld 50139 Plastic Bonder Body Panel Adhesive and Gap Filler Syringe - Dries Black - 25 ml |
| Product Dimensions | 4 x 3 x 18.5 cm; 60 g |
| Special Features | Fast Drying, Strong, Waterproof |
| Viscosity | Medium |
Trustpilot
1 week ago
2 weeks ago