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G/flex 650-8 Epoxy Adhesive

Item: 50202.01 | Product Description »

$21.60

  (8) | Write a Review | Ask a Question | 2 Questions

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G/flex® Epoxy Adhesive belongs in every boater's repair kit. Get a waterproof, flexible bond on plastic, fiberglass, aluminum, etc. The 650-8 kit gives you two 4 oz. bottles of the liquid epoxy.
  • The 650-8 kit contains 4 oz. each of viscous liquid G/flex 650 resin and hardener. Mixing ratio is 1:1.
  • Mixed G/flex 650 is of a heavy "syrup" consistency. It will run off a vertical surface. 650 can be thickened with inert filling materials.
  • G/flex is a product of West System, a division of Gougeon Brother's, Inc. The Gougeon brothers have been using epoxy resins in boat building and repair for some 50 years.
  • It makes structural bonds that can absorb the stresses of expansion, contraction, shock and vibration.
  • In addition to its superior bonding to many different materials and its ability to bond dissimilar materials, G/flex is much more flexible than other epoxies. This is an excellent property for boat building and repair.
  • Polyethylene (HDPE) is a common kayak and canoe material. Its molecular structure resists gluing by most adhesives. G/flex solves the problem; it bonds well to polyethylene and ABS plastics.
  • At 72 degrees F pot life is 45 minutes. Working time is 75 minutes. It cures to a solid in three hours and cures to its full strength in one to two days. It cures faster in warmer temperatures and slower in colder ones.
  • Clean up is simple. Wipe up spills with absorbent materials. Clean residue before it cures, with alcohol or acetone.
  • G/flex adheres tenaciously to difficult-to-glue hardwoods, both tropical and domestic varieties.
  • It has the ability to glue damp woods. It can be used on wet surfaces, even underwater when applied with specific techniques.
  • G/flex does indeed belong in every boater's repair kit. The more you use it, the more uses you'll find for it - with your boating gear and other sporting and household items. It's easy to mix and use. The instructions that come with the kit are top notch.

All sales of flammable items are final.

Product Reviews

  (8)

Related Videos

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    How To: Inflatable Repair Adhesives Guide
    Length:4:16
Includes:
  • Complete handling and repair instructions
Features:
  • 4 ounces each of thickened G/flex® 650 resin and hardener
  • Mixing ratio of 1:1
  • Pot life: 45 minutes at 72 degrees F
  • Working time: 75 minutes at 72 degrees F
  • Cures to a solid at 72 degrees F
  • Reaches full strength in 1-2 days

video: G/flex Epoxy Kayak Challenge Video

G/flex Epoxy Kayak Challenge Video (2:55)

G/flex Epoxy Adhesive belongs in every boater's repair kit. Get a waterproof, flexible bond on plastic, fiberglass, aluminum, etc.

video: How To: Inflatable Repair Adhesives Guide

How To: Inflatable Repair Adhesives Guide (4:16)

When repairing your Hypalon, PVC or urethane inflatable, or your plastic or composite kayak, it's vital that you choose the right adhesive and solvent for the job. Using the wrong materials will result in a poor repair and wasted effort. In this video, Josh from NRS Repairs shares an inflatable repair adhesives guide to help you understand when to use such glues as Clifton Hypalon, Shore, Stabond, Clifton Urethane, Vynabond and G/flex Epoxy. Solvents for repair prep are important too; you'll also learn when you can use toluene, MEK, acetone and alcohol.

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2 Questions | 13 Answers
Displaying questions 1-2
  • G/flex Epoxy 650-8 Kit (2- 4oz)

    Q:

    Is this product available in the two 16 oz. bottles (total of 32 ozs.)? If so, how much is it?
    Asked on 4/23/2014 by Glenn from Lexington, Virginia 24450

    1 answer

    • Staff Reviewer

      A:

      Glenn, we don't stock that size but can order it for you. Cost is $61.85. Call 800.635.5202 to order; tell the sales person that the price quote came from Jenni.

      Answered on 4/23/2014 by Clyde from NRS
  • G/flex Epoxy 650-8 Kit (2- 4oz)

    Q:

    Does it dry clear?
    Asked on 5/30/2013 by cat

    12 answers

    • VERIFIED BUYER

      A:

      but you can see thru it

      Answered on 6/10/2013 by Karen from Tignall Georgia
    • VERIFIED BUYER

      A:

      I usually use it to reinforce the edges of my werner carbon fiber paddle which is mostly black so it is difficult to say if it is perfectly clear or if there is a bit of a yellowish tint to it due to the hardener. I wouldn't guarantee it dries perfectly clear, but pretty close. It is awesome stuff, and as I don't use a lot if it the bottles have lasted me several years without drying up.

      Answered on 6/4/2013 by Anonymous
    • VERIFIED BUYER

      A:

      Yes, the G/flex dries clear. Repaired my ABS canoe with it and it did an
      awesome job. You can paint it or add pigment to it when you mix.

      Answered on 5/31/2013 by Anonymous
    • VERIFIED BUYER

      A:

      Yes, clear with a slight amber.
      Cameron Lindblade

      Answered on 5/31/2013 by Anonymous
    • VERIFIED BUYER

      A:

      This product worked well but did not dry completely clear. You may try adding some sort of color paint close to your boat color as you mix the two parts for a closer color match.It is a good and very hard patch that has worked well on the bottom of my kayak so it drying completely clear was not a concern.Good Luck.

      Answered on 5/30/2013 by Randall0963 from Opelika,Al.
    • VERIFIED BUYER

      A:

      No it does not but can be painted over.

      Answered on 5/30/2013 by flkayaker from Saint Petersburg, Florida
    • VERIFIED BUYER

      A:

      Pretty clear. A bit of a light yellowish tint. I can easily see through
      the dried material.
      Easy to work with. For small jobs, I guess at the 50/50 ratio and it seems
      to work well.
      Dirk

      Answered on 5/30/2013 by Anonymous
    • VERIFIED BUYER

      A:

      Depends what you mean by clear. You can see through it but it has a slight brown/yellow tint. The thicker you build it up, the more you will notice the color.Hope this helps.

      Answered on 5/30/2013 by Anonymous
    • VERIFIED BUYER

      A:

      Relatively clear. Slightly yellow I think, but it was on a yellow kayak so I am not 100% sure. 

      Sent from my iPhone

      Answered on 5/30/2013 by Anonymous
    • VERIFIED BUYER

      A:

      Dries a translucent amber, almost clear.  Will adhere to slightly flexible surfaces without breaking off once cured.  Only thing in existence that will stick to molded polyethylene..

      Answered on 5/30/2013 by Anonymous
    • VERIFIED BUYER

      A:

      clear, but yellowish tinge. Becomes more opaque over time.

      Answered on 5/30/2013 by Anonymous
    • VERIFIED BUYER

      A:

      As far as I know. I haven¹t used it in a long time,

      Answered on 5/30/2013 by Anonymous
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REVIEW SNAPSHOT®

by PowerReviews
GFlexG/flex Epoxy 650-8 Kit (2- 4oz)
 
4.9

(based on 8 reviews)

Ratings Distribution

  • 5 Stars

     

    (7)

  • 4 Stars

     

    (1)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Easy to use (4)
  • Weather proof (3)

Cons

    Best Uses

        • Was this a gift?:
        • No (8)

      Reviewed by 8 customers

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      Displaying reviews 1-5

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      5.0

      Did the job well

      By Jim

      from Anchorage, ak or Clifton Park, ny

      About Me Advanced

      Verified Buyer

      Pros

      • Easy to Use
      • Weather Proof

      Cons

        Best Uses

        • Indoor
        • Outdoor

        Comments about G/flex Epoxy 650-8 Kit (2- 4oz):

        fixed chairs, thule car box (w/ fiberglass), plastic sole in ice skates, and more

        • Was this a gift?:
        • No
         
        5.0

        Wicked strong bond!

        By Dave....uh, just Dave

        from Maine

        About Me Professional

        Verified Buyer

        Pros

        • Easy to Use
        • Strong
        • Weather Proof

        Cons

          Best Uses

          • D-rings
          • Outfitting
          • REPAIRS

          Comments about G/flex Epoxy 650-8 Kit (2- 4oz):

          I needed to repair a failed d-ring in my OC1. Vinabond is my normal adhesive, but for one reason or another, it was not cutting it for this repair. I purchased the G-Flex 650 and made the repair. My boat is back and so am I!

          • Was this a gift?:
          • No
           
          5.0

          Works Great

          By BE

          from Maine

          About Me Advanced

          Verified Buyer

          Pros

          • Easy to Use
          • Weather Proof

          Cons

            Best Uses

            • Outdoor
            • Plastics
            • Quick Fix
            • Wood Trim

            Comments about G/flex Epoxy 650-8 Kit (2- 4oz):

            I used this to glue the top and bottom of a fiberglass kayak back together. Normal fiberglass cracked from the flexing but this seems to have a very strong flexible bond that is going to work.

            • Was this a gift?:
            • No
             
            4.0

            G/flex® Epoxy

            By wavehopper

            from massachusetts

            Verified Buyer

            Pros

            • Controlable setting time
            • Easy to Use
            • Very strong

            Cons

              Best Uses

                Comments about G/flex Epoxy 650-8 Kit (2- 4oz):

                first time I used and was very suprised, good stuff

                • Was this a gift?:
                • No
                 
                5.0

                great product

                By James Young

                from Abilene Texas

                Verified Buyer

                Pros

                • Good working time

                Cons

                • None

                Best Uses

                • Paddle repair
                • Whitewater canoe d rings

                Comments about G/flex Epoxy 650-8 Kit (2- 4oz):

                bought this to apply d rings to my canoe. has a long working time which is good but on flip side takes a while to cure. but when dry it holds tight. Works great for repairing or reinforcing paddle blade tips as well.

                Service and delivery comments:

                Ordered thru webiste. easy to use and package arrived on time as advertised.

                • Was this a gift?:
                • No

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