Silicone RTV 4500 Food Contact Safe High Strength Silicone Sealant, Clear (2.8 FL. Ounce)

I dropped a container that I use a lot and it got a dent in it that included a tiny crack. I needed a food safe glue to cover the crack. This Food Contact Safe sealant worked perfectly. The container holds 3 gallons of water. The glue has held up well and the container is functioning as it should again. The cost of this glue is worth it, considering it saved me money not having to purchase a second container. The instructions are clear and easy to follow. Adding the sealant was quick and didn't require a rocket science degree. It is one application and no mixing. Yes, it has a little smell, but it dissipated quickly and you cannot smell it after a few minutes.

I bought a Black and decker juicer for a friend and his grandkids broke the basin that holds the juice. i purchased this to repair the basin so it would hold liquids again. It is food safe and it worked. Great product!

Worked very well and kept my 3-D print water tight.

I see a lot of reviews for this product that indicate that it stinks, that it is tacky and that it doesn't hold strong with pressure or force applied. This sealant is intended for creating gaskets and for thin beads intended for sealing. It is not a super glue or Gorilla glue. As an example, the bead inside an aquarium. It will be water tight and do its job but it can easily be removed or pulled apart after curing. The smell is of vinegar as that is the acid that gasses out during the cure. This is normal and anyone that has used RTV in the past is aware. You have to be patient and let it cure before using it in an environment where the odor will be an issue. I suggest 48 hours per every 1/8" of bead thickness, room temperature and to use a good vent fan. The tube is hard to squeeze as others have stated and I suggest rolling it from the bottom up to assist in getting the pressure up. I made a thin seam between two perpendicular aluminum sheets and the bead was about 1/16" thick and 10 feet in length. It wore my hand out but I took my time. The odor indoors has disappeared in about 18 hours and it is no longer tacky. So far so good. Some of the negative reviews seem to come from those who have never used silicone caulking or RTV in general. This stuff acted and smelled just like every other similar product I have ever used. If you are using it as a waterproof gasket it works fine. If you are using it to hold a broken coffee cup handle, hold tensile weight or resist breaking under a lot of torque...it is not going to perform well.

I used this to repair some leaky spots on a poultry waterer fountain. It worked well, but the waterer kept leaking in other spots, so I just ended up returning it. This silicone worked on every leaky area I put it on. It just got ridiculous that a new leak would appear on a BRAND NEW fifty dollar waterer, so I gave up. I am using this to patch an old leaky waterer & it seems like is is going to work well. I would buy this again, but hope I don't need to do so.

I used this on my BUNN COFFEE MAKER on a leak on top of the hot water tank. According to the manufacturer it was rated as food grade silicone and a heat resistant to 400 degrees. I'm sure that the water tank will be much lower than that (LOL). So far it's been about a month and have no leaks, I covered the original silicone that was put on by the manufacturer and just extended the area and the thickness of my application and so far after allowing 72 hours plus of cure time (it only called for 24 hours) I have had no more leakage. If I do I still have plenty more in the tube. Shelf life after opening is almost 2 years. I dated the tube and placed it in a quart size zip loc freezer bag to keep dirt and bugs from it.

So I bought this stuff to repair a broken handle on a hook bucket that we use for feeding horses. While I was at it, I sealed up a crack on a cup scoop that we also have. The cup scoop worked out wonderfully and has remained intact and seems to be pretty sturdy. The bucket though, immediately came back apart after curing for 3 days despite putting a pretty hefty amount on it. That’s fine, I mean a horse shoving their face into a bucket that has 4lbs of food in it is a pretty decent amount of force You’d better use all of it that first time that you open it though, because the narrow nozzle that it comes with does NOT come with a cap. If you take the nozzle off, you lose the silicone that’s caked up in the nozzle and it will dry there, rendering the nozzle useless. But it turns out that it will be pretty useless even if you keep it on because…. It still dries. I have been mashing and smashing and trying to prick a hole in on this tube for days now trying to use it a second time, and it finally ruptured out the back end where I had it creased over. I guess I will just be cutting a new hole in it each time I need to use some because when it dries, it will seal the hole back up!

Very easy to use. I can tell it's a high quality silicone. I used it to seal a stainless steel chicken waterer. It had a couple leaks at the seams. I let it cute for about 48 hours after letting the waterer dry for a couple days (the chickens have 2 so they had water the whole time)