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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 |
Reviews for WEST System 205 Fast Hardeners
February 28, 2022
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Have used West System for 30 years
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November 23, 2021
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This being my first time using West System, I couldn't be happier. Using the metering pumps was so much easier than trying to measure out exact volumes. The project came out very good.
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June 5, 2021
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I recommend this in warmer weather, gives more working time than the fast hardener
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April 16, 2020
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For cooler weather
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April 16, 2020
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Glassing bottom
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February 21, 2016
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never fails
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October 11, 2015
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West system epoxy is the best, the service frome Jamestown Dist. exceeded expectations. Thanks
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May 8, 2015
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Fantastic epoxy. This will hold up to anything!
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March 17, 2014
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A very dependable product. I've used it in many different applications and has never let me down.
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May 7, 2013
If 17th and 18th century English Admiralty shipbuilders could have used epoxy for frigates, man-o-wars, ships of the line, they would have.
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