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Product Details

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 most 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.

Note: For use in manual caulking guns only. Do not use with pneumatic gun.

Tech Specs
Specifications & Properties
Color Buff
Mix Ratio by Volume 1A (resin) to 1B (hardener)
Mix Ratio by Weight 1.2A (resin) : 1B (hardener)
Gel Time (100g mass) @ 72°F 40 minutes
Working Time (Thin Film) @ 72°F 75 minutes
Initial Cure Time @ 72°F 3-4 hours
Workable Cure Time @ 72°F Sandable in 7-10 hours
Cure Time for High Loads @ 72°F 24 hours
Minimum Recommended Temperature 40°
Tensile Strength 5,330 psi
Compressive Strength 7,200 psi
Flexural Strength 8,800 psi
Volumetric Shrinkage 3.5%
Hardness, Shore D 77
Info & Guides

NOTE: Thixo cartridges have a slightly offset nozzle that fits most, but not all, caulk guns. Caulking applicators used with Thixo need to have a hole large enough for the mixing tip; cartridges won't fit applicators with only a small hole for the nozzle. For best results, use a caulk gun with an 8 to 1 thrust ratio or higher. For use in manual caulking guns only.

Technical Information

Thixo Flex Features

  • 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 most standard caulk guns.
  • 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.

Surface Preparation and Cleanup Solvents

  • Surface Prep Solvent: Acetone or denatured alcohol or TotalBoat Eco Solvent
  • Cleanup Solvent: Acetone or denatured alcohol; cured material must be removed mechanically

Reviews for TotalBoat Thixo Flex Flexible Epoxy Adhesive

10 of 35 Reviews

January 30, 2024

I would buy this epoxy again!
By Hey Phil from NH

Verified Purchase

This epoxy is on steroids! whatever you're gluing becomes one with the boat!

Bottom Line Yes, I would recommend to a friend

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November 21, 2023

Good Product
By Schoonie from Beverly Hills, Florida

Verified Purchase

Works great. Plenty of time before it hardens. Be sure to waste the first 3 or 4 inches to insure you are getting a fully mixed product (note the color change when properly mixed).

Bottom Line Yes, I would recommend to a friend

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July 18, 2023

A new tool box must have.
By Bob from Racine, WI.

Verified Purchase

Never leave the dock without some!

Bottom Line Yes, I would recommend to a friend

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April 23, 2022

The best the easiest to use love it
By Trw from Topeka ks

Verified Purchase

Thick stays put wipe of smooth

Bottom Line Yes, I would recommend to a friend

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December 23, 2021

Total awesome
By Dave from Bend Oregon

Verified Purchase

I have used it in my metal art , and I got the flex works great for glueing on rhinestones and cubic zirconia,

Bottom Line Yes, I would recommend to a friend

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December 9, 2021

Exactly what I needed.
By Gman from N W Florida

Verified Purchase

Used it for log home repairs. Had some large checks in a few logs that I wanted to fill but also bond so they wouldn't get worse.

Bottom Line Yes, I would recommend to a friend

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November 3, 2021

Super Epoxy
By Tony C from WestPenntucky

Verified Purchase

I used it to repair cracked fiberglass. I also was able to apply it very thick on a damaged vertical surface by mixing in some flocked cotton fiber to make extra thick and apply with a putty knife. GOOD STUFF

Bottom Line Yes, I would recommend to a friend

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July 25, 2021

I would buy again.
By Tom Cothern from Lynn Haven fl

Verified Purchase

First time using did not get a good mix. I followed the instructions for a 3-4 inch line of epoxy and thought that was all. When I applied it started to turn brown, as it should, about 5 more inches into the repair. It would be nice to have more mixing tubes.

Bottom Line Yes, I would recommend to a friend

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July 9, 2021

I would buy this product Again if I need it again.
By Young from Pacifica California

Verified Purchase

strong,flexible,enough working time,

Bottom Line Yes, I would recommend to a friend

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May 27, 2021

Thixo Flex
By Santa Barbara classic boat restorations. from Santa Barbara, CA

Verified Purchase

I had an external crack in Gelcoat mid boat and removed a small section of the Gelcoat and fiberglass down to wood. I added a wood hardened I flex flex applied in one coat, sanded smooth. Smooth, really great product. Stuck hard to edges of Gelcoat. It didn't sag and I laid it on pretty thick.

Bottom Line Yes, I would recommend to a friend

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