Doped Tungsten Wire Comparison

Doped tungsten wire lengthy production processes, including tungsten metallurgy, powder metallurgy and metal forming system of billet main stage.

Advantages of doped tungsten wires

W31: W31 wires are standard doped tungsten wires with excellent non-sagging properties.

W91: W91 wires are non-sagging wires developed for higher-temperature use than W31 wires. They are suitable for halogen lamp filaments. Doped tungsten wire has higher non-sagging properties by maintaining inter-granular strength and suppressing void production at elevated temperatures by reducing the impurities content using our own technology.

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