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Tungsten Wire

Tungsten wire with electrolytically cleanedand polished surface. The surface of whitetungsten wire is smooth and clean, with auniform silver-gray metallic luster. The wirediameter is uniform, the processing andmolding performance is good, the filamentlife is long, and the light efficiency is high.

Grade:

Tungsten Content:

≥99.95%

Impurity Elements Content:

Total:≤0.05% Each:≤0.01%

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Attribute

Tungsten Wire

1. High melting point and high corrosion resistance
2. Super thermal efficiency
3. 99.95% Purity
4. Appearance: black surface and white surface
Tungsten wire with electrolytically cleaned and polished surface. The surface of white tungsten wire is smooth and clean, with a uniform silver-gray metallic luster. The wire diameter is uniform, the processing and molding performance is good, the filament life is long, and the light efficiency is high.

Parameter

Product Parameter

Parameter

Chemical Composition:

Designation	Tungsten Content	Impurity Elements Content
Designation	Tungsten Content	Total	Each
WAL1、WAL2	≥99.95%	≤0.05%	≤0.01%
W1	≥99.95%	≤0.05%	≤0.01%
W2	≥99.92%	≤0.08%	≤0.01%
Note: Potassium is not counted in impurities content.

Diameter tolerance(%):

Diameter (μm)	Weight (mg/200mm)	Weight(mg/200mm) Tolerance(%)			Diameter Tolerance(%)
Diameter (μm)	Weight (mg/200mm)	Grade 0	Grade 1	Grade 2	Grade 0	Grade 1	Grade 2
5≤d≤12	0.075~0.44	－	±4	±5	－	－	－
12	>0.44~0.98	－	±3	±4	－	－	－
18	>0.98~4.85	±2	±2.5	±3	－	－	－
40	>4.85~19.39	±1.5	±2.0	±2.5	－	－	－
80	>19.39~272.71	±1.0	±1.5	±2.0	－	－	－
300	>272.71~371.79	－	±1.0	±1.5	－	－	－
350	－	－			±1.5	±2.0	±2.5±1.0
500	－	－			±1.0	±1.5	±2.0

Parameter

1.Tungsten Wires
Diameter (µm)	Wire Weight per 200mm in length (mg)	Wire Weight per 200mm in length for tolerance (%)
15 d 18	> 0.3~0.98	Class A	Class B
15 d 18	> 0.3~0.98	+2.5	+3.0
18 < d 40	>0.98~4.85	+2.0	+2.5
40 < d 80	>4.85~19.39	+1.5	+2.0
80 < d 300	>19.39~30.30	+1.0	+1.5
300< d 400	>272.71~484.80	+0.5	+1.0

2.Cleaned Tungsten Wires
Diameter (µm)	Wire Weight per 200mm in length (mg)	Wire Weight per 200mm in length for tolerance (%)		Linearity
10 d 18	>0.3~0.98	Class A	Class B	Suspension length (%)	Chord high (mm)
10 d 18	>0.3~0.98	+2.5	+3.0	-	-
18 < d 40	>0.98~4.85	+2.0	+2.5	-	-
40 < d 80	>4.85~19.39	+1.5	+2.0	90	-
80 < d 100	>19.39~30.30	+1.0	+1.5	-	-
100< d 300	>30.30~272.71	+1.0	+1.5	-	8
300< d 400	>272.71~484.80	+0.5	+1.0	-	-

Application

Wide Range Of Applications For Tungsten Wire

Electronic watch,electronic computer,mini-bulb and other precision equipment manufacture.

Product Application