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🔧 Seal it like a pro—durability that never quits!
The ASI 502 100% RTV Silicone Sealant is a clear, one-part, moisture-curing silicone that delivers a non-slump, flexible, and ultra-durable seal. Engineered to withstand extreme temperatures (-70°F to +400°F) and harsh weather conditions, it bonds securely to a wide range of nonporous surfaces including glass, metal, and plastics. UL, NSF, and FDA-approved, this waterproof sealant is trusted for both industrial and food-safe applications, making it the go-to choice for professionals and DIYers seeking long-lasting, invisible protection.
| ASIN | B0063U2RWU |
| Best Sellers Rank | #16,474 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #56 in Silicone Adhesives |
| Brand | Gordon Glass Co. |
| Brand Name | Gordon Glass Co. |
| Compatible Material | Rubber |
| Customer Reviews | 4.6 out of 5 stars 1,563 Reviews |
| Item Form | Liquid |
| Item Weight | 3.2 ounces |
| Manufacturer | ASI |
| Material | Silicone |
| Material Type | Silicone |
| Model | ASI 502 2.8oz Clear |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | ASI 502 2.8oz Clear |
| Style | Industrial |
| Style Name | Industrial |
| Supported Standards | UL, NSF, FDA 175.105 |
| Surface Recommendation | Tub, Fixture, Siding, Countertop, Tile, Sink, Mirror, Vent, Door, Roof, Gutter, Wall, Ceiling, Shower, Window, Floor |
| UPC | 645360707062 |
| Unit Count | 2.8 Fluid Ounces |
| Water Resistance Level | Waterproof |
G**S
Unbelievable, water resistant, clear, long lasting glue works on any surface
This sealant/glue is amazing. During the rain my metal porch roof had a crack in it. I dried it off as best I could and put this amazing glue in the crack like magic. The roof stopped leaking. It dries quickly, it is water resistant and it is the best quality glue around. It is also clear; so you can put it on different surfaces. I saw the spectrum technician use it when he came over to fix a leak. The price is amazing. It saved me hundreds of dollars in repairs.
R**E
Need a strong water tight seal. You've got it.
Needed to patch a water tank. Has held up nicely. It's a pretty decent size tank (about 5 gallons) so I'm impressed by the strength. This stuff forms a strong seal. Much stronger than I expected. Needed to seal a strip of silicone which was gapping badly. Stuffed this in to seal the gaps. The silicone is under stress every day. So far the it's stayed sealed even with constant flexing.
A**R
Very Satisfying!
It fixed a broken sealant valve that was leaking on my Delonghi coffee maker which would have cost $1500 to replace. Then it fixed an old 10-gallon water jug that was falling apart and threw $5 plastic laundry baskets. I still have have a tube left and I wish I had more broken things to fix. I heard about this product on the No Agenda Podcast that ends each episode with a tip of the day from John C Dvorak. Thank you!
C**R
Does the job
Does the job; slightly difficult to squeeze, on a cold day.
K**N
Seal your Ninja products!
I have a few new ninja products that are for food preparation. One is the ninja slushi and the other is for ice cream. Both have designed flaws that allow food to get into the crevices of the canisters that hold them. This product was recommended by another ninja purchaser., and it worked well for them, so I tried it. It’s sealed up the tiny creases in the product that were a designed flaw prior to my using these items.. this will keep my food safe from contaminants that cannot be removed, will allow for ease of cleaning of the product, and was easy to apply. This made the purchase of this silicone much more valuable than it’s low cost. It’s hard to put a price on your health. I’m going to recommend it to other ninja product purchasers in the various groups where we share recipes. Thank you to the seller for the prompt service., good packaging, and wonderful product
B**W
Works well. No leaks
Just what I needed to reassemble my countertop ice maker gearbox. I let it cure for 24 hours and nothing leaked
J**J
Great! Air-tight cap for many uses!
Great stuff, and most importantly the cap seems to really keep it airtight! So I can use it for numerous small jobs.
L**A
Works on poly water reservoir
Worked perfect to repair a cracked water reservoir on espresso machine.
B**E
Buena
Llego bien,
M**M
Perfect
Used it to fix a coffee machine gasket and worked absolutely perfect! Easy to use and not messy at all.
U**T
Non alimentaire
Ce produit annoncé pour un usage Alimentaire ne l'est pas !
D**P
Sealant
Love this stuff it fills the holes and sometimes doesn’t require painting
M**R
Good product
Yes it works as promised. It's temperature resistant and seals well
Trustpilot
1 month ago
2 weeks ago