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Your cart is empty.The LOCTITE Automotive RTV Black Silicone Adhesive is a high-temp, versatile sealant designed for both indoor and outdoor use. This 80 ml sealant delivers reliable adhesion to various surfaces, including stainless steel and aluminum, without hardening, shrinking, or cracking. Its flexible, durable formula absorbs shock and enhances load-bearing capabilities, maintaining a strong bond even with movement. Built for challenging environments, it resists oils, water, weather, vibration, and grease. With quick curing, the adhesive becomes tack-free in 1 hour and reaches full strength in 24 hours for fast, efficient sealing. Ideal for electrical insulation and sealing ductwork, doors, vents, flues, and windows, it offers dependable performance across a wide range of applications.
rick brescia
Reviewed in the United States on January 27, 2025
My favorite brand of silicon never fails me
GRD
Reviewed in the United States on October 24, 2024
tube was hard
JF
Reviewed in the United States on October 14, 2024
Great stuff. It worked great to reglue the flexible rubber seal and waterproof my old Garmin Legend GPS.
Noah Ellis
Reviewed in the United States on April 4, 2024
I was able to successfully fix a water leak in the plastic lining of my door so I can say that it does work as a sealant. You should use a good amount, but it does actually seal things pretty well.
Corvette 62
Reviewed in the United States on August 7, 2023
This silicon works as described, no complains at all
Youdog99
Reviewed in the United States on August 30, 2023
Worked great! Arrived in a timely manner.
William Douglas
Reviewed in Canada on June 3, 2023
Works well on car weather stripping.
Fred A.
Reviewed in the United States on June 14, 2023
Good product to repair plastic pond hoses.
Terry S.
Reviewed in Canada on January 14, 2021
would be fine for "rough" joints, sealing. But does not flow smoothly from tube like regular silicone and you can't make a smooth bead like you can with normal silicone. No good at all for finishing type work. Tried to caulk the edges of a glass mirror where they met a black metal frame - just globs up and smears.
Customer
Reviewed in Canada on December 4, 2020
A1
Customer
Reviewed in Canada on October 1, 2020
Worked well for mosaic project
G. White
Reviewed in the United States on November 22, 2012
I had a need for an adhesive that would not lose it bonding strength after a certain period of time.This loctite adhesive is pretty good stuff. It's holding up well so far , no complaints here. I wouldrecommend giving it a try.
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