System Three 0102K40 General Purpose Epoxy Kit with #2 Medium Hardener, 1.5 Pints, Medium Amber Features a convenient 2:1 mixing ratio A solvent-free, unfilled, epoxy system Use for almost all epoxy applications 30 minutes (100g mixture) gel time at 77F (25C) 4-6 hours (100g mixture) tack free time thin film at 77F (25C)