Bob Smith Industries BSI-205 Slow-Cure™ Epoxy - 4.5 oz. Combined, Clear - 30-Minute Working Time Adhesive for Wood, Fiberglass, Metal, Crafts & Structural Repairs

I have been using Bob Smith products for many years. Their epoxy is one of the best for fabrication. I have seen some negative reviews, and would like to mention a few things to be aware of. Do not mix this in a very large quantity in a narrow container. Yes it will get quite hot and also set quicker. The mix is not real critical but should be very close to one to one. Stir well especially the slower 30 minute stuff. Stir for a couple of minutes. Use a shallow pan or dish. I use plastic condiment cups that hold about 2 ounces and are wide. I contacted the folks at BSI about shelf life. They said that the shelf life is 5 or more years. If it gets cloudy from absorbing moisture to micro wave for 15 seconds. Not sure I would try that. Another note. You can thin this a bit with denatured alcohol and use it to seal wood. I mix about 2 parts epoxy to one part alcohol and it is thin enough to brush, but will run a bit so maybe add a bit less alcohol. Stir well you will see the water released from the epoxy and it will go from cloudy to clear.

5 stars might be heavy, but I wanted to make sure a reader knows off the bat that I love this product, and it was easier to work with than the Gorilla Glue syringes. The format is "two bottles...squeeze out the same amount from each bottle...by eyeball". The try part was easy (using it to glue T-tracks into a 3/4" workbench, where itty bitty 3/8" screws aren't strong enough on their own, given that the tracks are meant to stand up to strong pulling from a clamp). But, being "30-minute" epoxy, I splurted out a solid tablespoon of each, mixed it, and started working. After one 24' length + some nail polish remover cleanup of drips (5 minutes max), I went back to the mixture and it was too gummy/hard to work with! NOT 30 minutes of working time so I'm not sure what they're talking about. The fine print on the bottle essentially says,"the more you mix, the faster it sets"...but what's "too much"? Looks like it's somewhere below 1tbsp each. Being irritated I decided I'd send it back and run to Home Depot for more Gorilla syringes... but then decided to give it another try. I adjusted my method... used 3x5 cards... mixed about a quarter sized dollop of each bottle... mixed with little tongue depressors... applied it with the spatula end of one of those little red silicon glue applicators...and used every bit of the mix from the card. It went on smooth, it dried a little slower (maybe 7 minutes working time?) but I worked in little batches. It was smoother, less stinky, and easier to apply and clean up than Gorilla. I drilled and installed the little screws while it was wet so the screws would pick up some epoxy on the way in...and I wouldn't need to clamp it down until it dried. The dry t-tracks are in and not going anywhere. I tested it with a clamp and really wrenched it down (more than I ever would in an actual setting) and it didn't budge. I think the T-track would bend before the glue failed. Other reviewers say it lasts longer than Gorilla, which is another reason I decided to try it. Time will tell. Those two little bottles went a long way, and I was able to tackle the same amount as 3 or 4 syringes of Gorilla... so that's a big savings! I still have about 1/4 of the glue left in each bottle. High value. Just know that you need to mix in small batches, and it WILL get too gummy to work with after about 5 to 10 minutes. Oh... use painter's tape to mask the areas where it could schlop as you apply it. It cleans up easily with nail polish remover while it's still wet, but the tape saves the extra work if you're gluing a lot.

I really love this epoxy. It's perfect. It gives you a lot more time to work with your project before the epoxy sets, and then forms an incredibly strong bond. It's also way more convenient to use with a larger quantity of volume in reusable bottles, far easier and cheaper than the big box store little plunger epoxy products. You just can't go wrong with this stuff.

Works well it’s very easy to use dries quite fast and holds together very well

Low or no oder, sets well, I stir for one minute on slow set glues and this does a great job. Best glues on the market. I'll be keeping this on hand since I do wood working most every day.

The good news is the 30min epoxy is a solid product that bonds lock tight. The bad news, the open time is a little short of advertised. More like 15 mins. But I still recommend!

I applied this around the edges of my tiled shower stall on top of the grout, after scraping black mold from the grout. Previously applied superglue and then silicone glue applied on top of the grout allowed mold to grow there, and this was not acceptable. Now my grout stays clean and free of mold. It does make the surface of the grout very smooth and shiny, but this is why mold does not form there. To apply it to the edges of my shower stall I mixed this epoxy and then drew it into a plastic syringe. I applied this epoxy to the edges of my shower stall by extruding it from the plastic syringe. This worked well and it was easy. I also used it instead of silicone glue in other repairs where the failure of silicone glue to be waterproof was a nuisance.

First time using this BSI epoxy for sealing 3D prints (not as glue), and it delivers on its promises. The slow-cure feature gives you plenty of working time to get your application right. One heads up though - when applied to flat surfaces, it cures slightly thicker than you might expect. Not a deal-breaker, but worth planning for in your projects. What you need to know: - True to advertised cure time - Works great for sealing prints - Easy to mix and apply - Sets a bit thick on flats - Good working window - Clear finish as promised - Glossy Tip: Plan for that thickness in your final dimensions - it'll add a noticeable layer. Bottom line: Solid choice for sealing 3D prints, just account for the final thickness in your planning.

best ever epoxy i use i will definitely buy again

El producto dice que la mezcla que hay que hacer es de 50%de cada bote y que en 30minutos cataliza . A mi no me cataliza ni en 24horas ni en una semana tampoco

In verità pensavo che fossero più grandi. Invece ho riscontrato minore quantità ma non ho nulla x misurare esattamente quanto prodotto contengano

Muy bien

Glue my transgender in my boat to fibreglass hull spot on