Tungsten Wire Application:
Type | Name | Kind | Applications |
WAL1 | Nonsag tungsten wires | L | Used in making single coiled filaments, filaments in fluorescent lamps and other components. |
B | Used in making coiled coil and filaments in High power incandescent bulb, stage decoration lamp, heating filaments, halogen lamp, special lamps etc. | ||
T | Used in making special lamps, exposition lamp of copy machine and lamps used in automobiles. | ||
WAL2 | Nonsag tungsten wires | J | Used in making filaments in incandescent bulb, fluorescent lamp, heating filaments, spring filaments, grid electrode, gas-discharge lamp, electrode and other electrode tubes parts. |
Chemical Compositions:
Type | Kind | Tungsten content (%) | Total amount of impurity (%) | The content of each element (%) | Kalium content (ppm) |
WAL1 | L | >=99.95 | <=0.05 | <=0.01 | 50~80 |
B | 60~90 | ||||
T | 70~90 | ||||
WAL2 | J | 40~50 | |||
Note: Kalium should not be taken as impurity, and tungsten powder must be have been washed by acid. |