Glass Sealing Alloy Foil (Light Tight) (Fe54/Ni29/Co17)

Glass Sealing Alloy Foil (Light Tight) (Fe54/Ni29/Co17) is part of our range of specialty alloys for glass-to-metal seals. With 68 variations available, it provides an airtight, hermetic seal between glass and metal while blocking light transmission. This alloy is designed to match the thermal expansion properties of glass with compositions like iron-nickel-cobalt and nickel-chrome-molybdenum. Applications include vacuum tubes, cathode ray tubes, and other devices requiring robust glass-to-metal interfaces that maintain high electrical resistivity and limit light permeation.

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