West System 205-A Fast Hardener
Brand: West System


205 FAST HARDENER is a medium-viscosity epoxy curing agent. It is useful in a majority of bonding situations, and at lower temperatures. 205 Fast Hardener produces a rapid epoxy cure that develops physical properties quickly at room temperature.
MIX WITH WEST SYSTEM 105 Resin in a five-part resin to one-part hardener ratio. The resulting cured epoxy is a rigid, high-strength, moisture-resistant solid. The combination of 105 Resin/205 Fast Hardener has excellent bonding and coating properties.
CURES AT TEMPERATURES as low as 40°F (4°C). Will cure faster at warmer temperatures. Pot life is 9 to 12 Minutes. Cures to a solid state in 6 to 8 hours. Cures to maximum strength in 1 to 4 days. Minimum recommended working temperature is 40°F (4°C).
PAIR WITH WEST SYSTEM 105-A Epoxy Resin. Blend with with WEST SYSTEM 105 Epoxy Resin at a 5-parts resin to 1-part hardener ratio.
EASILY MODIFIED with WEST SYSTEM Fillers, Additives, and Pigments to suit the job at hand, whether coating, applying fiberglass, structural bonding, or fairing. Not intended for clear coating.