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Thixo Flex is a thickened epoxy adhesive that forms flexible, high-strength bonds on wood (even teak and other oily woods), fiberglass, metals, glass, & some plastics. Upon cure, it creates permanent, structural bonds that absorb shocks, stresses, & vibration.
This cartridge-dispensed non-sagging epoxy is great for building or restoring wooden boats prone to flexing during use, and movement from weather-related expansion & contraction. Thixo Flex can be applied to dry or damp surfaces in temperatures as low as 40°F. You'll appreciate the long working time & easy cleanup.
Handy cartridges fit standard caulk guns. Use the included mixing tip to measure, mix, & dispense a bead that's the precise 1:1 mix of resin and hardener to get a proper cure each time. No need to measure, mix, or worry.
One 250ml cartridge includes 2 static mixing tips.
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Forms permanent, flexible bonds on fiberglass, glass, metal, plastic, and wood, including hardwoods that typically are a challenge to bond because of their natural oils.
Waterproof bonds hold firmly when subjected to contraction, expansion, shock, & vibration.
Convenient cartridge fits into a standard caulk gun.
Static mixing tip fits firmly onto cartridge to easily mix, measure, and dispense the precise ratio of resin and hardener for you.
Apply to dry or damp surfaces.
Long working time of 75 minutes is ideal for larger projects that require extensive gluing.
Can be used in temperatures as cool as 40°F.
Buff-colored cured epoxy can be sanded and painted.
Compare to two-part West System G/Flex 655. Thixo Flex is a better value, and is easier to use because the resin and hardener are contained inside a single cartridge that fits into a standard caulking gun (sold separately). There's no measuring, mixing, or mess because the included static mixing tip measures, mixes, and dispenses the exact ratio automatically.
In addition, Thixo Flex has higher flex tolerances and lasts longer than flexible, one-part urethane adhesives and sealants.
Application Notes: Store Thixo Flex cartridges at room temperature (60-90°F) before use. Apply when the temperature of the ambient air and substrate is 40°F or warmer. When finished, leave the static mixing tip on the tube to cure. For the next application, simply remove and replace the tip. Do not attempt to clean the tips.
Note: For use in manual caulking guns only.
Specifications & Properties
Mix Ratio by Volume
1A (resin) to 1B (hardener)
Mix Ratio by Weight
1.2A (resin) : 1B (hardener)
Gel Time (100g mass) @ 72°F
Working Time (Thin Film) @ 72°F
Initial Cure Time @ 72°F
Workable Cure Time @ 72°F
Sandable in 7-10 hours
Cure Time for High Loads @ 72°F
Minimum Recommended Temperature
Hardness, Shore D
Number Of Parts:
I am replacing the stringers under the cabin floor in my sailboat. Which Thixo is best for this application: Flex or 2:1?
It's normal for boats to flex a bit so Thixo Flex is your best bet.
I have a polycarbonate sliding main hatch that has a wooden stopper at the inboard end. Would this product glue these two products together and be supple enough to account for the expansion and contraction the wooden stopper. If so should it be applied to an unfinished wood or should the wood be finished with an epoxy type coating first
Thixoflex can be applied to bare wood. It should be clean and sanded with 80 grit. While the epoxy will flex, it is more rigid than something like an adhesive sealant.
Can gel coat be used over this product once it cures?
Generally speaking, it is not a good practice to apply gelcoat over epoxy. If the surface is not properly treated, the gelcoat may not cure.
Could this product be used to fill cracks in house stucco?
Yes it should work for your application. You may also be able to tint it to be a close match to the color of your stucco using these coloring agents: https://www.jamestowndistributors.com/userportal/show_product.do?pid=2078
I looking for an epoxy that once cured will remain somewhat flexible and resist peeling off due to occasional friction. The intended use is to cover a small about 2-3mm hairline crack on my car's CV boot. Obviously the area will be first thoroughly cleaned to remove grease, oil, dirt and grime. The CV boot is obviously made from some sort of rubber but not sure exactly of its composition. Do you think Thixo will work well, e.g. adhere to the CV boot permanently but still allowing some (not much) flexibility. Thank you!
While Thixo flex may initially bond, flexing of the rubber will eventually cause it to detach.
I have an old wooden Lightning sailboat with a planked bottom. I need to re-caulk the plank seams to make it water tight but also need to allow room for the wood to swell and expand and contract with temperature. Will Thixo Flex work for the application and allow for enough flexibility so the planks do not buckle as they swell when in the water?
I wouldn't recommend an epoxy even thixo flex because they won't flex enough. I would recommend Sikaflex 291 caulking.
what is the difference between Thixo Flex and Thixo 2:1? Installing a bulkhead and not sure which is best to use?
Thixo Flex is just that, flexible, and will move with the boat. Not familiar with Thixo 2:1, but if it's the regular Thixo, it may crack as the boat itself flexes.Tip: If you don't use the full amount, keep the original tip and nut, even when you've used up the nozzles. You can replace the originals and keep the tube for small jobs and touch ups. It will last for months.
Thixo Flex is a thickened flexible epoxy that is more flexible than regular epoxy. Thixo 2:1 is our regular thickened epoxy.
JD Tech Team
can total boat thixo flex epoxy be used to wet out fiberglass cloth?
Not be best application, it is thick and will not penetrate the fiberglass cloth properly. If you want a product in a tube, use the Thixo LV Low Viscosity.
JD Tech Team
Will this adhere to the cut edge of plexiglass or a smooth aluminum surface ? I need a strong permanent bond. And is it flexible like rubber ?
It will adhere to properly prepared surfaces of plexiglass(sanded and cleaned) and aluminum cleaned with our Aluminum Etch Wash. It is a hard epoxy but a little more flexible than standard epoxy. Not like rubber at all.
JD Tech Team
I have an Avon hapolan dinghy that the wooden transom has separated from the hapolan.(do to a crash). I Totalboat Thixo expoxy a good adhesive to use? If not any suggestions.Thanks
Not sure if this would work as well as Marine-Tex FlexSet which lists:FlexSet bonds to PVC, fiberglass, polyurethane, wood, Hypalon, ceramic, rubber, glass, acrylic, steel, polycarbonate, aluminum and Lexan.
JD Tech Team
Love the product, One Caution.
Unlike me, read all the instructions before using. I discovered that the first bit of product out of the mixing nozzle may be resin/hardener rich and therefore not kickoff or set. Easy fix...Read the directions and it mentions this, then put about a 6-12' long bead into some paper and trash it. Then lay your bead out or apply as necessary and all will be great. For small batches, remove the cap and plug and squeeze Thixo into a cup, mix thoroughly and apply, or alternatively, mix in the cup and fill a small syringe and apply with the syringe. This is a great addition to my array of adhesives and I will enjoy having it available.
I would buy this product again.
I generally use fiberglass and microBaloons this product was a little faster.. and easier to apply.
Excellent product.....excellent service from JD.....
Great product !!
Best product on the market, except I learned after cutting the cartridge open to get more out, you are not getting a full cartridge because the mixer inside takes so much space ,so when you purchase this product you are only getting about 5 -6 ounces of product, and because of that, my project fell well short.. Please send me another one at a reduced price!
Boat/South Haven, Michigan
Used the thixo to fill a void from a crack in the fiberglass collecting water on the forward deck and deteriorated the wood underneath. Pending rain and about 60 degrees outside and the Thixo set hard before the rain came (about 2 hours later) and sealed it up good. That spot was dripping water on my forward master cabin bed and making a mess. Next when we get good weather I will sand it out and paint, we'll see how that goes. Until then...
Excellent for filling, bonding, etc.
My only recommendation is to be sure and use the highest power caulk gun you can find. I found a 13:1 gun at my local hardware store which did the job but I would recommend finding an 18:1 if possible. This stuff is thick and takes some serious pressure to go through the mixing tip. Awesome epoxy!
Looks good but too soon to tell if it will perform
I used this to fill stress cracks in the glass on the interior deck at the bulwark joint, stem to stern on an 18' dory. it came out of the tube VERY slowly, though I probably need a more powerful caulking gun and it was cold when I applied it.
I would buy this product again, very pleased
I used this product to repair some cracks in the console of my pontoon boat. After opening up the cracks about 3/8 inches I applied the product using the special mixing tip and level it out with a wide craft stick. After it dried I sanded out then painted. Turned out great.
Buy a good gun to go with this.
I would recommend you purchase a good caulk gun rated for adhesive with at least a 10:1 drive/torque ratio. This stuff is thick, and even a pretty good gun from Ace Hardware wrecked my hand. I ended up getting a better gun (Albion B26) for next time (26:1). Be sure to trim the tip to the desired bead size, as without doing so is is a very small bead. There is deceptively not that much material in the tube, that would be my only complaint.