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West System 205 Fast Hardener is a low-viscosity epoxy curing agent for use when shorter working and cure time is needed or to provide adequate working time at cooler temperatures.
At 72-degrees, 205 Fast Hardener will have a 9-12 minute Pot Life. When combined with WEST 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.
Not intended for clear coating.
Mix Ratio, Resin:Hardener | 5:1 by weight or volume |
---|---|
Pot life at 72 F (22 C) | 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) |
Pumps required | WSY 300, 306-25 or 309 |