Hawk Epoxy C3 Fast CatalystThe Sea Hawk Hawk Epoxy C3 Fast Catalyst can be used with Hawk Epoxy Resin for building or repairing planes, surfboards, canoes, boats, and many other substrates. Designed for construction or repairs with superior adhesion, filling, bonding, strength, and moisture barrier qualities at higher temperatures for a very slow speed at room temperatures.Pair Hawk Epoxy C3 Catalyst with corresponding letter size on R1 Resin.Example: Size 1 C3 Fast Catalyst quart requires Size 1 Hawk Epoxy R1 ResinSea Hawk Hawk Epoxy C3 Fast Catalyst compares to West System 205 Fast Hardener HardenerFeatures: Good for warmest conditions; Long pot life; Good for when more time is needed; Specs: Minimum Recommended Temp: 40 F; Pot Life @ 70 F : 9-12 minutes (6 oz.); Working Time Thin Film: 60-70 minutes; Cure to Solid Thin Film: 6-8 hours; Cure to Working Strength: 1-4 days; Mix Ratio Resin/Catalyst - 5:1; Click here to download Hawk Epoxy C3 Fast Catalyst Tech sheet