Momentive RTV103 One Part Silicone Sealant, 10.1 Ounce Caulker, Black
Key features
- •One-part black RTV silicone sealant with a paste consistency for filling and sealing gaps or cracks up to 1/4" wide in indoor and outdoor applications
- •Paste consistency allows for application on vertical or overhead surfaces
- •Adheres to many metals, glass, ceramic, silicone rubber, and some rigid plastics without the use of primer
- •Continuous service range is -75 to +400 degrees F (-60 to +204 degrees C) and intermittent service range is -75 to +500 degrees F (-60 to +260 degrees C)
- •Meets Military Specification MIL-A-46106 and NSF Standard 51, is FDA 21 CFR 177.2600 compliant, is USDA compliant, and has UL recognized components
Momentive RTV103 One Part Silicone Sealant, 10.1 Ounce Caulker, Black
List Price: $69.93$62.94DEALYou Save: $6.99 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 23, 2026In Stock (3)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection
Customer Reviews
Reviews sourced from verified Amazon purchasers3.9
out of 5
Based on 10 reviews
5★
80%
4★
20%
3★
0%
2★
0%
1★
0%
HORRIBLE Smell, but does the job perfectly.
Mommy Var✓ Verified Purchase•July 12, 2017
This stuff is noxious, but I can't argue with success. The backer in my aquarium is stuck and the water quality has not be affected.
Great silicone sealant that is food grade
SysArch✓ Verified Purchase•July 1, 2017
Great silicone sealant that is food grade. I bought it for some of my beer making equipment, it hols up to the heat well.
Good Stuff
Howard S. Robins✓ Verified Purchase•March 7, 2017
It does exactly what it is supposed to do. Only issue is that once opened, it does not last for future use. The tube cap is not air tight, so what remains in the tube after opening degrades and over time becomes unsuable.
Appears as good as Dow Cornings.
Philip A. Schoenthal✓ Verified Purchase•July 27, 2016
Would have been nice if the right color selected came. With that said, this is at least as good as the Dow Corning version that I was use to using for the last 30 years, but cheaper. Time will tell if it holds up to UV, extreme temperatures, and constant moisture. You better use what you have once you've started, since there's no means to easily recap and seal the tip after the initial cut and open.
it held water like a champ
Guy Man✓ Verified Purchase•February 15, 2016
I picked up a cheap 220 gal aquarium. The silicone was peeling and previous owner tore out the overflow boxes leaving big holes on the corner. I used RTV103 to reseal the inside of the tank. Also to attach .5'' thick glass in the corner. after a day to cure, it held water like a champ. Dry time comes quick! have a plan!!! ordering more now for a new 75gal sump build!
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