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4J28 Rod / Bar | Kovar Alloy Rods for Glass-to-Metal Sealing Applications

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August 30, 2025
Keyword: Low Expansion Alloy
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Tags:
#Feni52 Wire #Alloy 42 Invar Strip #Kovar Rod
Video Description:
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.
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