System Three General Purpose Epoxy Hardener #3, 1 Pint

System Three General Purpose Epoxy Hardener #3, 1 Pint is a slow drying hardener designed for use with System Three General Purpose Resin. It cures in about 60 minutes when exposed to higher temperatures, with a minimum of 75 degrees Fahrenheit. The tack-free time is approximately 9 hours at 77 degrees Fahrenheit. This hardener is combined with resin in a ratio of 2 parts resin to 1 part hardener, making it ideal for a variety of general-purpose epoxy applications. Proudly made in the USA. Model Number: