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🔧 Seal smart, last long — the pro’s choice for flawless fixes!
Momentive RTV118 is a translucent, one-part silicone sealant designed for professional-grade sealing and gap filling up to 1/4" wide. Its self-leveling consistency requires no tooling, making it ideal for hard-to-reach spots. Engineered to withstand extreme temperatures from -75°F to 500°F, it adheres to multiple surfaces including metal, glass, and plastics without primer. Certified to meet MIL, NSF, FDA, and USDA standards, this water-resistant sealant ensures durable, food-safe, and UL-recognized performance for both indoor and outdoor applications.
| ASIN | B004V40GKK |
| Best Sellers Rank | #244,517 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #368 in Silicone Adhesives #1,124 in Caulk |
| Brand | Momentive |
| Brand Name | Momentive |
| Color | Translucent |
| Compatible Material | Ceramic, Glass, Plastic, Rubber |
| Customer Reviews | 4.7 out of 5 stars 4 Reviews |
| Item Dimensions | 1 x 1 x 1 inches |
| Item Form | Paste |
| Item Weight | 2.8 ounces |
| Item dimensions L x W x H | 1 x 1 x 1 inches |
| Manufacturer | Momentive |
| Material | Silicone Rubber |
| Material Type | Silicone Rubber |
| Model | RTV118 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | RTV118-2.8 |
| Style | RTV118 |
| Style Name | RTV118 |
| Unit Count | 1 Count |
| Water Resistance Level | Water Resistant |
M**.
Excellent flow rate, levels quickly before becoming tacky
I use this in very small quantities to fill a small void. This product works very well, levels out quickly and dries in a reasonable time frame.
G**N
good adhesion, but seems to cause oxydation (rust) on ...
Convenient to work with, good adhesion, but seems to cause oxydation (rust) on the surface of steel, when applied to it. This is the first time we have used it and have only limited experience. Can anything be done to prevent this? Some surface treatment prior to the application of the silicone?
C**C
Have purchased for years
My company uses this silicone for various things around the shop, I have never heard them complain about it. I am sure we will continue to use this product.
M**L
Five Stars
just what we needed for our project as described.
Trustpilot
3 weeks ago
4 days ago