4J28 Rod / Bar | Kovar Alloy Rods For Glass-To-Metal Sealing Applications

Discover the 4J28 Rod / Bar, a high-performance Kovar alloy designed for glass-to-metal and ceramic-to-metal sealing applications. This Fe-Ni-Co controlled expansion alloy ensures reliable hermetic sealing with its precise thermal expansion coefficient, making it ideal for electronic packaging, aerospace instruments, and semiconductor components.