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Product Details

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.

Tech Specs
Mix Ratio, Resin:Hardener5:1 by weight or volume
Pot life at 72 F (22 C)9 to 12 minutes
Cure to a solid state6 to 8 hours
Cure to maximum strength1 to 4 days
Minimum recommended temperature40 F (4 C)
Pumps requiredWSY 300, 306-25 or 309

Reviews for WEST System 205 Fast Hardeners

10 of 18 Reviews

February 28, 2022

Great Epoxy
By DT from CAlifornia

Verified Purchase

Have used West System for 30 years

Bottom Line Yes, I would recommend to a friend

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November 23, 2021

West System Made Me Look Like A Pro
By Al from Florence Alabama

Verified Purchase

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.

Bottom Line Yes, I would recommend to a friend

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June 5, 2021

Good for warmer weather
By Mike from Tea, SD

Verified Purchase

I recommend this in warmer weather, gives more working time than the fast hardener

Bottom Line Yes, I would recommend to a friend

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April 16, 2020

Yes
By Bob from Keizer

Verified Purchase

For cooler weather


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April 16, 2020

Yes
By Bob from Keizer

Verified Purchase

Glassing bottom

Bottom Line Yes, I would recommend to a friend

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February 21, 2016

It's west system it almost works without you
By fredus422 from st louis

Verified Purchase

never fails

Bottom Line Yes, I would recommend to a friend

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October 11, 2015

Couldn't ask for better service for proven products.
By canoeist from Palmyra, wi

Verified Purchase

West system epoxy is the best, the service frome Jamestown Dist. exceeded expectations. Thanks

Bottom Line Yes, I would recommend to a friend

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May 8, 2015

Love it!
By Andy45cal from Wisconsin

Verified Purchase

Fantastic epoxy. This will hold up to anything!

Bottom Line Yes, I would recommend to a friend

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March 17, 2014

A Great product and always dependable
By Franko from Oxford, MI

Verified Purchase

A very dependable product. I've used it in many different applications and has never let me down.

Bottom Line Yes, I would recommend to a friend

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May 7, 2013

West is best...
By Rick from Brookings, OR

If 17th and 18th century English Admiralty shipbuilders could have used epoxy for frigates, man-o-wars, ships of the line, they would have.

Bottom Line Yes, I would recommend to a friend

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