1、Appearance:
The tungsten wire is regular black covered with graphite. After graphite removed it is metallic luster.
2、 Specifications:
10—15w,25—60w,100-200w,300-1000w.
purity quantity:99.95%
3、 Application:
For producing electric light source parts and electric vacuum components;
For producing heating elements and refractory parts in high temperature furnaces;
For producing heating elements used in vacuum metalizing or plating.