J-B Weld PlasticBonder™ 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, brick, ceramic, wood, plastic/composite/PVC & more. PlasticBonder™ has a 1:1 mixing ratio, sets in 15 minutes and can be sanded after 30 minutes. With a tensile strength of 3770 PSI, PlasticBonder™ sets to a tan color and cures to a hard, permanent bond. No mess, no waste cap screws on one way to eliminate accidental mixing and ensure it won't dry out. Perfect for filling dents, automotive trim, bumpers, composite trim & panels, interior & exterior plastic parts and fiberglass.