Rage Ultra 40 is specially formulated to allow for extended work timesup to 40 minutes. Manufacturers and Body shop technicians can mix and spread large quantities knowing they have enough time to work large surface areas, saving time and increasing productivity. And because Rage Ultra 40 is manufactured with the Evercoat exclusive ECORESIN technology, it has the Rage Ultra industry-leading sanding properties including fast and easy standing with 80 grit sand paper. Rage Ultra 40 can also be mixed with Rage Ultra body filler for the ultimate flexibility in work time in most any temperature while maintaining the proper mix ratio.