J-B Weld Hi-Temp Red Silicone Gasket Maker & Sealant is an RTV (Room Temperature Vulcanized) silicone gasketing material, designed for use in mechanical assemblies where the existence of higher, continuous temperatures up to 550 F or 650 F intermittent might exist
Upon curing, which occurs when the product is exposed to the moisture in air, the silicone forms a tough, waterproof seal on most surfaces
It will not shrink or crack, resists weathering, is sensor safe and is great for many automotive applications
Set time 1 hour
1/12/24
Absolutely love this product! It exceeded my expectations and has become a favorite in my daily routine.
9/3/24
I can't praise this product enough! It has made my life so much easier. Highly recommend to everyone!
1/8/25
Incredible! I’ve tried many similar products, but this one stands out. Definitely a five-star product!
3/7/24
Absolutely perfect! This product has everything I was looking for and more. So happy with my purchase!
1/22/25
Best purchase ever! I can’t believe how well this works. I will be spreading the word!
1/23/25
I’m amazed at how well this product works! Truly a five-star experience from start to finish.