0.1mm high quality electrolytic clean polishing tungsten wire

Application
For producing electric light source parts and electric vaccum components
For producing heating elements and refractory parts in high temperature furnaces
For producing heating elements used in vaccum metalizing or plating

Appearance
W-wire is regular black covered with graphite. After graphite is removed it is metallic luster.

Chemical Composition

Designation	Tungsten Content	Impurity Elements 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(%)
		Grade 0	Grade 1	Grade 2	Grade 0	Grade 1	Grade 2
5≤d≤12	0.075~0.44	-	±4	±5	-	-	-
12<d≤18	>0.44~0.98	-	±3	±4	-	-	-
18<d≤40	>0.98~4.85	±2	±2.5	±3	-	-	-
40<d≤80	>4.85~19.39	±1.5	±2.0	±2.5	-	-	-
80<d≤300	>19.39~272.71	±1.0	±1.5	±2.0	-	-	-
300<d≤350	>272.71~371.79	-	±1.0	±1.5	-	-	-
350<d≤500	-				±1.5	±2.0	±2.5
500<d≤1800	-				±1.0	±1.5	±2.0

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