Brand:W3101 W3102 W34 W1 W2

Content:W3 W34 W2:W≥99.929%

Character and usage:

       W3101:twist wire;it has good character and endurance.Second crystal temperature

               ≥1950℃,mainly used as filament wire in halogen filament,high temperature

               Colour filament,twist filament,white filament and fluorescence filament.

       W3102:It has good character in roll and high temperature.Second crystal temperature

               ≥1850℃,mainly used in white filament wire,vaccum tube heating wire.

       W34:used in twist wire

       W1 W2:Used as frame of vaccum tube,heating elements. 

Super thin white tungsten wire,specs:￠3-14μm,usage:electronic watch,electronic computer,mini-bulb and other precision equipment manufacture.

                   Brad and tungsten content

Brand           WAL1         WAL2

Tungsten content ≥99.95% ≥99.95%

                      Diameter

Brand            WAL1         WAL2

Black wire        min            min       12μm     10μm

Diameter         max            max      2000μm   300μm

               Chemical  content(%)

W             k        Fe            Mo        Others

≥99.95  0.004-0.010  ≤0.0020  ≤0.0030    ≤0.0010

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