4J28 Tongkat / Bar. Tongkat paduan Kovar untuk aplikasi penyegelan kaca ke logam

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August 30, 2025
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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