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West System Fast Hardener Type 205

West System Fast Hardener Type 205

205 Fast Hardener is a medium-viscosity epoxy curing agent. It is used in a majority of bonding situations, at lower temperatures, and to produce a rapid cure that develops its physical properties quickly at room temperature. When mixed with WEST SYSTEM 105 Resin in a five-part resin to one-part hardener ratio, the cured resin/hardener mixture yields a rigid, high-strength, moisture-resistant solid with excellent bonding and coating properties. 205 Fast Hardener is not intended for clear coating.

Pot Life at 72F (22C): 9 to 12 minutes
Cure to a solid state: 6 to 8 hours
Cure to maximum strength: 1 to 4 days
Minimum recommended temperature: 40°F (4°C)

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