4J44 high resistivity Expanding alloy

4J29/4J44:Main application: Match with the electricity vacuum industry with the hard glass to seal meets

Property:dense oxide film,strong anti-oxidability,good plasticity,low expansion coefficient,

abradability.It used for  vacuum element,transmitting tube,switch tube,display tube,transistor ,

seal plug and shell of the relay.

Function:fusion bonding,welding,machining,sealing. Co Glass Sealing Alloys are fit for manufacturing electronic vacuum apparatus such as emitting tubes, oscillators, ignition rectifiers, transistors, pipe-closers and outer casings of relay.

Specs:thickness 0.08mm~3mm   width 5mm~250mm

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