System Three General Purpose Epoxy Kit W/ Fast Hardener, 1-1/2 Pint is for wood construction and repair, gel coat blister repair, and general-purpose fiberglass repair. This epoxy kit excellent pot life and cure time control, making it easy to work with. When combined in a 2:1 ratio with the included Fast Hardener, it delivers a fast dry time of just 30 minutes and cures effectively in temperatures as low as 35 degrees Fahrenheit. At 77 degrees Fahrenheit, the epoxy becomes tack- within 2 hours, providing a reliable and efficient solution for various repair needs. Made in the USA.