Tungsten rods

1.Appearance

The tungsten rod is fine-grained and has luster rather like that of silver in uniform color. Though the whole bar may slightly curved, no over melting, laminations, stria, air bubble, stain are allowed.

2.Compositions	2.1 tungsten content ≥ 99.95%
	2.2 impurity content ≥ 0.05%

3.Specification	3.1 measures(mm): 12?2?10
	3.2 weight 1,200g a piece
	3.3 density (g/cm³): 16.7 ~ 18.2

4.Applications:

Filaments for lamps or cathodes，components of electrode of gas-discharge tube，grid side-rod，lead and support etc.