Cotol-240 Cleaner and Cure Accelerator is a urethane cure accelerator and pre-cleaner to be used in conjunction with Aquaseal repair adhesive. Cotol-240 cleans and prepares the surface, readying it for Aquaseal, speeding the tack time to 15 minutes and the full cure time to less than two hours. Available in 1/2 oz. and 8 oz. (quart) size