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Gorilla's strongest Epoxy, the Ultimate formula has a 4250 PSI bond strength and sets in just 10 minutes. Gorilla Epoxy Ultimate is also waterproof and versatile, creating a long lasting, permanent bond to Metal, Plastics*, Concrete, Ceramics, PVC, Fiberglass and more!
*Not recommended for use on polyethylene, polypropylene, or similar plastics.
DIRECTIONS:
If you’re using Gorilla Epoxy Ultimate for the first time, or bonding a new type of material, we always recommend trying a test piece first.
1. Prepare your work area and the Surface: It is recommended to use Gorilla Epoxy Ultimate in a well-ventilated area. Be sure your work area is protected from spills. A mixing tray and stir stick are provided.
2. Mixing Gorilla Epoxy Ultimate: Remove stir stick from middle of plunger. Prior to opening, pull back slightly on plunger to help minimize initial product flow. With tip pointing over a clean, disposable surface, snap closure from syringe. Push the plunger to dispense even amounts of resin and hardener onto a clean, disposable, contained surface. Lightly pull back on plunger after dispensing to stop flow. The package itself can be used as a mixing tray. If you flip the plastic blister shell over, you can use the small well as a starter dish to begin dispensing until both the resin and hardener are flowing equally. Once the flow is even, move to the larger mixing well to dispense your even ratio. Using stir stick, mix the two parts for about 20 seconds, until the color is uniform. As you mix, you will notice that the epoxy warms up. This is a reaction that occurs as the resin and hardener combine.
3. Application: After mixing is complete, apply Gorilla Epoxy Ultimate within 3 minutes. The epoxy mixture will continue to thicken, and the bond strength will decrease the longer you wait to apply.
4. Clamping: Clamp surfaces together and leave undisturbed for 30 minutes. Full cure in 24 hours. Cure time dependent on temperature, humidity and quantity applied.
Dave
Reviewed in the United States on February 20, 2025
It is a convenient 2-part epoxy for smaller projects.This is the 2nd time I purchased it. I use it very sporadically and the last one lasted me years without going bad. The plunger pushes each epoxy part out in even amounts, which makes it easy to measure. However, it does take a little bit of a knack to get it to plunge evenly.
Larissa Santos
Reviewed in the United States on February 14, 2025
It was an excellent-quality glue, like all Gorilla products. I used it to glue my sandal, mattress, iron, plastics… I just didn’t glue my house because it was still in good condition!
JWslc
Reviewed in the United States on January 15, 2025
Used this to fix a bed safety rail on my adjustable bed. One of the welds broke and I don't have access to a small welder that can fix aluminum pipe. I found some self adhesive fiber net tape and wrapped the "t" broken area first and then mixed the glue as recommended. I did follow the instructions on doing ourside or well vented area. Did mine in an open garage. Used a popsicle stick to spread the glue even and waited for it to harden overnight. It dried quickly within the timeframe it listed. Strong as heck! Just made the rail like new again👍 thanks for a great product.
Clay
Reviewed in the United States on September 22, 2024
This epoxy is very nice to use. Must mix it outside smell very strong and you must be ready to use it the minute you mix it make sure your area is clean and prep because it sets up in three minutes and it’s totally hard with 10 I find myself using this a lot the only downfall is that the color I purchased black I don’t know if it comes in clear but if it does, that would be the word other than that this is the best I’ve ever used . I cut the tube extremely small and I use siding aluminum nails tiny to put in after I’m done.
Damian F.
Reviewed in the United States on May 21, 2024
I used this for installing a black granite counter (the seams between pieces). It worked beautifully. It was the only black epoxy I could find and the final results are fantastic. The bond is rock hard and strong. It sets quickly - you really only have 10 minutes max before it's not workable. It goes on non-flowing so it would work well on vertical surfaces. Extremely easy to apply - just break the tab, squirt onto scrap material and mix with included applicator stick. The only thing I needed that wasn't in the package was a standard razor blade to press it in the seams and shave it off (which you should do before it completely sets). You would think it would be a nightmare to clear up but it cleans up amazingly well and quickly with acetone. Rubbing alcohol works too. Just apply it with a paper towel and it instantly starts to dissolve (turns bluish!) . I did this after about 10 min. I think it will be much harder or impossible to clean up like this if you wait much longer than 10 min. Because it's a two-part epoxy it stores well for continued application at a later time (no drying the tip shut like regular glue). As far as quantity, I needed about 2.5X as much as I originally thought, but that might just be my inexperience. I was not able to return the one leftover tube because it was "unreturnable". But since it stores well I now have a tube of great black epoxy if I need it!
Holley
Reviewed in the United States on December 5, 2024
This glue works very well. I used it to glue on press on toenails.
Brindy
Reviewed in the United States on October 6, 2024
I didn’t buy this for use as structural epoxy, rather for filling holes, cracks and voids in wood turning projects. It does a great job at that. It mixes well (at 72°) and flows where I need it. It stays put and dries nicely. I love using the black epoxy as highlights. This one is very easy to use and looks great when dried completely, sanded and buffed. I love this stuff
P. Cook
Reviewed in the United States on October 26, 2024
Sets up quickly. I used this to mount some threaded studs in the bathroom tiled wall to support a sink. The epoxy is colored black and it takes 24 hours to fully cure, but it' strong and works well
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