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 and more. PlasticBonder? has a 1:1 mixing ratio, sets in 15 mins and can be sanded after 30 mins. With a tensile strength of 3770 psi, PlasticBonder? sets to a tan color and cures to a hard, permanent bond.