Smooth-On SIL-poxy Rubber Silicone Adhesive - 0.5 oz Tube Silpoxy

Smooth-On SIL-Poxy is easily one of the best adhesives available for repairing silicone. If you're working with silicone props, FX pieces, or wearable silicone items, this is essentially the industry standard. I used it to repair a large tear in the mouth area of a silicone FX mask, and the bond held extremely well once cured. The repair blended nicely and restored the integrity of the material. I also used it to fix a couple of small rips in a silicone bodysuit that occurred from putting it on and taking it off, and it handled those repairs without any issues. The adhesive cures quickly, forms a strong, flexible bond, and is specifically designed for silicone-to-silicone repairs, which most standard glues simply cannot handle. It does require a bit of patience and precision during application since silicone adhesives can be messy if overapplied, but once you get the hang of it, it works incredibly well. Overall, this is the gold standard for silicone repair products. If you need to fix silicone masks, props, or wearable silicone pieces, SIL-Poxy is one of the most reliable options available.

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This glue works perfectly for bonding the silicone holder of a Cochlear sound processor. It provides a strong, reliable hold while keeping the silicone flexible enough for daily use. Highly recommended if you need a durable solution for silicone repairs! Several weeks have passed, and the glued part is holding firmly.

I tested this using 2 different types of flexible o-rings. One was black and the other clear. While the black is flexible, the clear one has more flexibility to it. This Sil-poxy worked very well on the black one. After fully curing I put a good bit of stress pulling and flexing that ring. (This manufacturer's website by the way says to fully cure/dry 24 hours rather than the 12 minutes the tube says.) The clear ring, however, did not hold at all. It seemed a little sticky before fully curing so I had high hopes, but after fully drying it simply fell right apart and the cured sil-poxy slid right off it. I tried this a few times, even trying to first clean/abrase the clear one with alcohol, then tried heat, and even tried treating it first with sliicone lubricant known to "melt" these. Nothing worked -- this sil-poxy just slips right off the clear one. So bottom line, it works well for some but not all types of silicone.

Not sure where did all the good reviews came from, but description is grossly misrepresented. Secure time is not six minutes but more like 48 hours. What you actually buying is silicone caulk, which can be bought much cheaper in any other place but is not suitable for going together silicone or silicone. I'm leaving a positive review so it will be easy to read.

I had couple of holes in my Silicon Neck Seal on my Drysuit, nothing would work to patch the holes until I came across this Adhesive. It is expensive for 0.5/oz but I ended up using only few drops to repair the hole and it saved me $130 on a new Neck Seal. The Adhesive will glue Rubber to Silicon which is what I did to patch up the small hole, it cures pretty fast like about 12 - 15 min, however to be safe I left it cure 24 hours before I put it to test. You can get a larger tube of 2oz from another supplier but unless you have clear need for large amount, I think the 0.5oz is good enough and not wait for it to dry out. I am storing this in my Freezer with my other adhesive and thawing it out in warm water if I need to use it again.

I tried fixing some popped squishes with this but it didn't adhere I guess for some reason. It peels off. A bit disappointing since it was so expensive.

I purchased this adhesive to avoid replacing the silicone band on my Garmin exercise tracker. Two slots were damaged. A crosspiece between slots had torn off on one side and the side of the slot below it had begun to tear. I printed an instruction sheet from the website, cleaned the area to be bonded as directed and let it dry before attempting the bond while my tracker was charging, ensuring that the bonded areas were tight for a minute and then putting the repaired band on my wrist utilizing a looser slot after the tracker finished charging. I should have let it cure for 24 hours as directed, but both bonds held with no problems weeks later. Since the manufacturer highlighted that the adhesive in the tube would dry very quickly once exposed to the air, I used a small screwdriver head to dip out the quantity I needed and immediately close the tube. This method seemed to prevent any issues with the glue the next time I used it. It seems to work better than advertised and I can't ask for better than that.