West System 205 Fast Hardener 7oz Murrays Part# 40-4103 West System 205 Fast Hardener® is a medium-viscosity epoxy curing agent. It is used in a majority of 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 (#40-4103) 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. 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). Sorry, air shipment is not available for this item.
