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Product Details

West System 207 Special Clear Hardener was developed for use with West System 105 epoxy resin in coating applications where an exceptionally clear, moisture-resistant, natural wood finish is desired.

Improved formula chemistry allows for true clear cure with the same UV protection but without an amber tint. An ultraviolet inhibiting additive improves the resistance of a West System epoxy/hardener mixture to sunlight but the cured epoxy surface will still require the additional protection of a quality UV-filtering varnish. The proper ratio is 3 parts resin to 1 part hardener, with a mixing pot life of 20 to 26 minutes. Epoxy mixture will achieve solid state in 10 to 15 hours after application.

207 is designed to self level for smooth finishes and to wet-out and bond fabrics. It's also used for laminating veneers where bleed-through at the joints may be exposed to sunlight. Although this special clear formula provides good physical properties for general bonding applications, it is more difficult to thicken and less cost effective for this purpose than 205 or 206 hardeners.

Tech Specs
Mix Ratio, Resin:Hardener3:1 by volume (3.5:1 by weight)
Pot life at 72 F (22 C)22 to 27 minutes
Cure to a solid state9 to 12 hours
Cure to maximum strength4 to 7 days
Minimum recommended temperature60 F (16 C)
Pumps required300, 306-23 or 309-3
Info & Guides
*********CANNOT BE SHIPPED BY AIR*********

Technical Information

  • Excellent long-term clarity due to improved chemistry and stabilization with UV filters
  • Superior blush resistance
  • Extended recoating time
  • Excellent fiberglass wet out characteristics
  • Ideal viscosity for buildup coats
  • Excellent paint and varnish compatibility
  • Excellent physical properties for bonding

Reviews for WEST SYSTEM 207 Special Clear Hardener

10 of 18 Reviews

August 11, 2022

Really Like
By Bobs from Athens, GA

Verified Purchase

Very Clear


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June 12, 2022

Great product
By Michigan Mike from Michigan

Verified Purchase

very versatile. Use for coating wood, concrete, etc. Use as an adhesive.

Bottom Line Yes, I would recommend to a friend

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January 19, 2022

Reliable
By Jon from Chelsea, Michigan

Verified Purchase

Expensive but I know can trust the quality.

Bottom Line Yes, I would recommend to a friend

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October 30, 2021

Long time user
By Mike from Mitchellville

Verified Purchase

Been using West 207 for many years under a 2-part polyurethane (Epifanes for more than a decade, Interlux Perfection before that) on my south facing deck. Builds quickly and can apply 3 coats in one day, generally all that's needed. Deck looks great after all these years with occasional maintenance (about 5 years in sun, double that in shade). Wood is western red cedar.


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November 24, 2020

Best I have ever used
By Steve Boatguy from Clearwater, FL

Verified Purchase

I have been working with epoxy for nearly 40 years and have tried just about all the major manufacturers. I always come back to West because they have the widest line of products. The 207 hardener has proven its superiority in work that is over 25 years old. I'm sticking with West from now on.

Bottom Line Yes, I would recommend to a friend

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November 24, 2020

Best I have ever used
By Steve Boatguy from Clearwater, FL

Verified Purchase

I have been working with epoxy for nearly 40 years and have tried just about all the major manufacturers. I always come back to West because they have the widest line of products. The 207 hardener has proven its superiority in work that is over 25 years old. I'm sticking with West from now on.

Bottom Line Yes, I would recommend to a friend

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September 18, 2020

I would buy again and have used multiple times
By Michigan Mike from michigan

Verified Purchase

Product worked great ...always does

Bottom Line Yes, I would recommend to a friend

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July 13, 2020

Slow and clear.
By Dleece from Schaghticoke. NY

Verified Purchase

Very clear when dry. Easy to work with. Good for the beginner.

Bottom Line Yes, I would recommend to a friend

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April 17, 2020

Yes
By Glue guy from Sarasota fl

Verified Purchase

It works great. Use it for everything.

Bottom Line Yes, I would recommend to a friend

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March 24, 2019

I would buy this product again
By Don C. from TN

Verified Purchase

I have used many other epoxy systems and have issues with amine blush and washing it off. I really like not worrying about it with this product. An excellent hard clear finish.


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