WEST SYSTEM G/flex 650-8 Two Part Toughened Epoxy Glue Pack - Heavy Duty High Strength Adhesive Pack, Glue for Plastic, Metal, Wood, Ceramic - for DIY Projects, Boat & Marine Repair

Super hard epoxy

Best bonding glue ever

Excellent stuff. I used this to fix a wooden handle for my home made knife. Good strong stuff.

I used this epoxy for knife making which is perfect. When cured it is not a brittle as other 2 part epoxy glues on the marks. It is extremely strong and grabs well to any surface, yes it is a little more expensive than other brands but you get what you pay for.

This is a very good product and for some applications worth the expense, I would reserve the use for projects that will be subject to extreme shock or impact but use a less expensive adhesive for less critical situations.

Purchased this in 2015 to epoxy together the handle materials on knives. Had absolutely no issues with delamination to date, both on knives and other projects and couldn't rate it any higher. It was designed for repairing boats so has a little more flexibility to it than other epoxies when cured, and can be applied underwater too so long as the surfaces are clean. For best results I blast the joining areas with 80 grit aluminium oxide but you could get away with giving it a thorough hand sanding. The hardener is thicker than the resin, so on a particularly cold day it would be worth warming up the bottle. Squeezing the hardener bottle hard made the white printed text rub off all over my hands and it went everywhere. Needless to say it was a pain to clean up. This didn't happen with the resin bottle however, so maybe it was just bad conditions to blame. The only downside I can really mention about the epoxy itself if you consider it to be one is that it has an amber colour and isn't clear. For most situations this isn't a problem. Overall a highly recommended product.

Really good. Sticks like excrement to a sleeping sheet.

Apparently the best epoxy for the knifemaker. I've used it with a lot of success. it does darken slightly as it drys so make sure to wipe off any excess with alcohol and kitchen roll or something otherwise it may stain wood. Tried using a tiny amount as a temporary bond, tuned out to be a permanent one. Very tough stuff and is supposed to do well under shock, expansion and contraction.

This is ((SERIOUS)) EPOXIE it is beyond j.b.weld which is 3900 psi holding strength ! This is rated @ 5000psi ,used it on some large pressurized glass projects it is as strong as the quartz glass . Excellent stuff to keep on hand , drys slightly amber ,not clear !

Resurfaced a Mad River 16’ Royalex Explorer. G/Flex mixed with Cabosil (filler), paste pigment, then applied with plastic squeegee. Worked pretty good, see how it endures over the next couple years

Knife handles

This is the strongest adhesive I've found for most substrates (the exception being low surface energy plastics). With good surface preparation, I've had excellent results on aluminum, steel, stainless steel, carbon fiber, fiberglass, wood, and many plastics. I did some tests against 3M DP420, the gold standard of toughened epoxies, and this had better shear strength (despite being much less expensive). I've tried acrylic, urethane, and CA adhesives; none matched the strength and toughness of this. This is NOT a quick-dry epoxy. It doesn't even start to harden for a few hours. I always let it dry overnight before using what I've glued with it. It seems to reach almost full strength about as fast as 30-minute epoxies, but it has a much longer working time. Ideally, plan a day ahead. It's a little harder to use than dual-syringe epoxies, of course. If measuring volume is too difficult (say you only need a small amount), you can always weigh the components. The resin is much heavier (about 1.2X), so be sure to account for that. For example, tare your scale, add 2g of hardener, and then add 2.4g of resin.

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