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Strands in a fiber optic glass cable

Helium

A versatile gas for the glass industry

Due to its unique properties, helium has many applications in glass manufacturing. For example, after fiber-optic glass is drawn into fine strands, it is shielded with helium while the cladding is applied to prevent the newly formed glass surface from reacting with the contaminants present in ambient air. Helium can also be used during the bubbling process for molten glass to improve refining since it has the fastest bubble rise time of any gas.

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