Key Products
  ·Molybdenum Wire
  ·Molybdenum Rod
  ·MOLYBDENUM BAR AND PLATE
　 ·MOLYBDENUM POWDER
  ·MOLYBDENUM TRIOXIDE
  ·AMMONIUM MOLYBDATE
  ·Tungsten wire
  ·Tungsten Rod
  ·TUNGSTEN BAR AND PLATE
  ·TUNGSTEN CARBIDE POWDER
  ·TUNGSTEN POWDER
  ·BLUE TUNGSTEN OXIDE
  ·TUNGSTEN TRIOXIDE
  ·AMMONIUM PARATUNGSTATE
  ·SODIUM TUNGSTATE
Other
『 TUNGSTEN TRIOXIDE 』
Grade
Grade-1
Grade-2
WO3（%min）
99.95
99.95
L.O.I WO3（%max）
0.5
0.5

Impurity Content （%max）

 
Al
0.0005
0.001
Fe
0.001
0.001
S
0.0007
0.001
As
0.001
0.002
P
0.0007
0.0007
Mo
0.002
0.005
Ca
0.001
0.002
Mg
0.0007
0.001
K
0.001
0.002
Na
0.001
0.002
Si
0.001
0.002
Cu
0.0003
0.0007
Mn
0.001
0.001
Ni
0.0007
0.0007
Pb
0.0001
0.0005
Bi
0.0001
0.0005
Sn
0.0002
0.0007
Sb
0.0005
0.001
Ti
0.001
0.001
Fsss：8-16 UM
Scott density：2.0-3.0 g/cm3
Lgnition Loss：0.5 %max
Chlorde Residue：0.06 %max


◆ Appearance:Free flowing light yellow crystal line powder.

◆ Packing:In iron drum with inside plastic bags of 100kg or 200kg net each.

Remarks:Any particrlar requirement to the specifications can be discussed.

◆ Chemical Composition(%)：
W
Fe
Mo
other impurities
≥99.95
≤0.002
≤0.003
≤0.001
Note:K is not regarded as impurity.

◆ Diameter Range：
CLASS IFICATION
minimal diameter
maximal diameter
TUNGSTEN ROD
swaged
3.0
16.0
straightened
0.40
3.0
GROUND TUNGSTEN ROD
1.0
14.0

◆ Diameter Tolerance：
Diameter
Black tungsten rod
Ground tungsten rod
diameter tolerance
roundness
diameter tolerance
roundness
0.40<d≤0.80
±2
2
-
-
0.80<d≤3.0
±2
2
±0.03
0.03
3.0<d≤6.5
±2
2
±0.05
0.05
6.5<d≤14
±2
2
±0.08
0.08

 

Copyright Ganzhou Tejing Tungsten and Molybdenum Co.,Ltd 2003