Zhuzhou Jiazi New Materials co.,ltd

1、 Application
The surface of electricly polished tungsten wire shall be smooth, clean gray silver with metal luster, The tungsten wire features excellent formability, long life and super lighting efficiency , Mainly applied for making various electron tube, H series auto lamp, balogen lamp and other special lamp.

2、Product feature
doped tungsten wires are manufactured by the high tech of doping, acid washing, isostatic pressing, PLC controlled direct-sintering, swaging and auto feeding, The products are featured with minimum deformation at high temperatures, high recrystallization temperatures, uniformity in dimension and excellent coilability. For tungsten rod weighing 3kg.pc, its rough welding tungsten wire weighing 5kg/pc, this technology lakes lead in China, Customers are allowed to choose various types of tungsten wire in accordance with their specific applications.

3、Diameter Tolerance

Diameter
µm

Weight
mg/200mm

200mm weight tolerance%

Diameter tolerance%

0

I

II

I

618>0.98-4.85

±2

±2.5

±3

404.85-19.39

±1.5

±2.0

±2.5

8019.39-272.71

±1.0

±1.5

±2.0

300272.71-371.19

±1.0

±1.5

350500>=99.95

=0.0020>=0.0030>=0.0010


>1800>350>300>80>40>