JB Weld Hi-Temp Copper Silicone is a high-performance silicone sealant formulated to withstand extreme temperatures. This copper-infused formula creates a strong, flexible, and heat-resistant bond, making it ideal for forming gaskets, sealing flanges, and preventing leaks in high-heat applications like engines, exhaust systems, and ovens.
Gasket maker and sealant, Made in USA
