WEST System G/flex 655 Thickened Epoxy Adhesive
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G/flex Thickened Epoxy Adhesive Resin and Hardener has a thickening agent, and is a toughened, versatile epoxy for permanent waterproof bonding of fiberglass, ceramics, metals, plastics, damp and difficult-to-bond woods.
G/flex epoxy is resilient enough to bond dissimilar materials and flexible enough to absorb the stress of expansion, contraction, shock and vibration.
Choose from 4 different sizes of resin/hardener: 8 oz. kit, 2 Quart kit, 2 Gallon kit, 4.75 Gallon resin only, and 4.75 Gallon hardener only.
G/flex is a tough, resilient epoxy engineered for a superior grip to metals, plastics, glass, masonry, fiberglass, and wet and difficult-to bond woods.
It is currently available in two versions: G/flex 650 Epoxy (sold separately, a two-part (resin and hardener) liquid epoxy, and G/flex 655 Thickened Epoxy Adhesive with a thickening agent already added.
G/flex is easy to use with a simple 1:1 mix ratio. It has a long open working time of 45 minutes at room temperature. G/flex reaches a working cure in 7-10 hours and a full cure in 24 hours.
Technical Information
<b>Kit Contents</b>
- WSY-655-8: 8 oz. of mixed epoxy (one 4 oz. resin and one 4 oz. hardener).
- WSY-655-2QT: 2 qts. of mixed epoxy (one quart of resin and one quart of hardener).
- WSY-655-2G: 2 gallons of mixed epoxy (one gallon of resin and one gallon of hardener).
- WSY-655-CR: 4.75 gallons of RESIN ONLY
- WSY-655-CH: 4.75 gallons of HARDENER ONLY
Epoxy Safety
Reviews for WEST System G/flex 655 Thickened Epoxy Adhesive
March 27, 2023
Verified Purchase
Works as expected
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August 1, 2021
Verified Purchase
Great product
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May 27, 2021
Verified Purchase
Impressed with its ease of use, versatility and durability. I used it to repair my aluminum boat with great results and a number of other household projects.
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June 11, 2020
Verified Purchase
The product works great. But the resin tube on my first order was cracked and oozing a little product out when I opened the package. I contacted Jamestown and they immediately shipped me another package with both resin and hardener. When I opened this new package, neither tube was leaking, but both had indentations like the resin tube in the original shipment - exactly in the same place (see first attached photo). I don't need another replacement, but I am going to have to be careful how I store the tubes for future use. In both shipments, there was no visible damage to the shipping box, so I suspect the damage to the tubes may have happened before the final shipments to me. In any case, I suggest West System should look into this for their future customers. One note: in both shipments, the tops of the tubes were face down in the product box. This puts the tops against each other. If they put one tube in with top up and one with top down, this would give more space between them - maybe put a piece of cardboard or thin foam between them, as it appears the damage is due to one tube pressing against the other. Also, I suggest that Jamestown open up the product box and inspect the tubes before shipping until this packaging problem gets reviewed and revised.
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August 26, 2019
Verified Purchase
I would probably give 5 stars but I have witnessed performance over time. I really like the thickened product which makes it easy to mix and apply and has a good working time. I repaired scratches dings and gouges in my royalex/vinyl canoe. My putty knife a over spread cleaned up well with acetone.
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May 28, 2019
Verified Purchase
Just fine
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February 22, 2019
Verified Purchase
Purchased the 2 quart kit and used it to attach a polyethylene riser to a fiberglass septic tank. No fasteners were used and the epoxy formed a permanent waterproof bond below grade to prevent the intrusion of rain water. Well worth the expense. Do it right the first time and never look back.
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February 21, 2019
Verified Purchase
I use the product to fill cracks and voids in natural edge slabs. The wood I use is oily. I have had no issues with bonding at all. I have been using this product for about 10 years now.
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January 24, 2019
Verified Purchase
I have owned a mad river royalex canoe about 30 years. At one point the gunwales were not released when I lived in Fairbanks AK. Winter hit and it resulted in 23 rather extensive cracks. G/Flex 655 was recommended to repair them and it is working wonderfully. I haven't put it back in the water yet but ots Jan in WI Highly recommend it.
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August 30, 2017
Verified Purchase
repaired cold cracks in older royalex canoe, thick epoxy stayed in place, set well...
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