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99.95% Tungsten Products Twisting Thoriated Tungsten Wire For Vacuum Coating Tungsten Filament Wire W Heating Wire

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99.95% Tungsten Products Twisting Thoriated Tungsten Wire For Vacuum Coating Tungsten Filament Wire W Heating Wire

Brand Name : PRM

Model Number : custom

Certification : ISO9001

Place of Origin : China

MOQ : 1kg

Price : $50~200/kg

Payment Terms : T/T

Supply Ability : 2000kgs/month

Delivery Time : 7~10 work days

Packaging Details : Carton

Name : Tungsten Twisting Wire For Vacuum Coating

Material : Tungsten and Doped Tungsten

Density : 19.3 g/cm3

Purity : 99.95%

Wire Gauge : 0.1-2.0mm

Surface : Polished

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Tungsten Twisting Wire For Vacuum Coating

1. Tungsten Twisting Wire For Vacuum Coating Specifications:

1).Wire Gauge:0.1-2.0mm
2).Lenth:Wire Gauge
3).Surface:polished

1. Tungsten Twisting Wires
Diameter (µm) Tungsten wire weight per 200 mm in length (mg) Tolerance (%)
15-18 0.3-0.98 Class A Class B
+2.5 +3.0
18-40 0.98-4.85 +2.0 +2.5
40-80 4.85-19.39 +1.5 +2.0
80-300 19.39-30.30 +1.0 +1.5
300-400 272.71-484.80 +0.5 +1.0
2. Cleaned Tungsten wire
Diameter (µm) Tungsten wire Weight per 200 mm in length (mg) Tolerance (%) Linearity
10-18 0.3-0.98 Class A Class B Suspension length (%) Chord high (mm)
+2.5 +3.0 - -
18-40 0.98-4.85 +2.0 +2.5 - -
40-80 4.85-19.39 +1.5 +2.0 90 -
80-100 19.39-30.30 +1.0 +1.5 - -
100-300 30.30-272.71 +1.0 +1.5 - 8
300-400 272.71-484.80 +0.5 +1.0 - -

2. Dimensional tolerances lengths of Tungsten Twisting Wire For Vacuum Coating:

dia(um) weight of wire(mg/200mm) tolerance(%) min.length
weight(mg/200mm) dia
class0 classI classII classI classII
10<d<=18 >0.30-0.98 -- ±3 ±4 -- --
18<d<=40 >0.98-4.85 ±2 ±2.5 ±3 -- -- 400
40<d<=80 >4.85-19.39 ±1.5 ±2.0 ±2.5 -- --
80<d<=150 >19.39-68.18 ±1.0 ±1.5 ±2.0 -- -- 300
150<d<=300 >68.18-272.71 ±1.0 ±1.5 ±2.0 -- -- 100
300<d<=350 >272.71-371.19 -- ±1.0 ±1.5 -- -- 50
350<d<=500 -- ±1.5 ±2.0 *
500<d<=1800 -- ±1.0 ±1.5

99.95% Tungsten Products Twisting Thoriated Tungsten Wire For Vacuum Coating Tungsten Filament Wire W Heating Wire

99.95% Tungsten Products Twisting Thoriated Tungsten Wire For Vacuum Coating Tungsten Filament Wire W Heating Wire99.95% Tungsten Products Twisting Thoriated Tungsten Wire For Vacuum Coating Tungsten Filament Wire W Heating Wire

3. Tungsten Twisting Wire Used For Vacuum Coating:

Type Name Kind Applications
WAl1 Non-sag tungsten twisting wire L Tungsten wire used in making single coiled filaments, The Tungsten wire in fluorescent lamps.
B Tungsten wire used in making coiled coil and filaments in high power incandescent bulb, Tungsten wire stage decoration lamp, heating filaments, halogen lamp, special lamps etc.
T The Tungsten wire is Used in making special lamps, exposition lamp and lamps used in automobiles.
WAl2 Non-sag tungsten twisting wire J The Tungsten wire Used in making filaments in incandescent bulb, fluorescent lamp, heating filaments, spring filaments, grid electrode, gas-discharge lamp,

4. The vacuum coating process is a physical method of plating metal onto a substrate, not a chemical method. The process of coating is carried out in a vacuum chamber where the metal melts and reaches its vaporization point, becoming gaseous. A relatively homogeneous coating is created on the target substrate after the gaseous molecules condense there after traveling along the line of sight. The vacuum system contains a sealed chamber where the coating process takes place. Outside the enclosure, there are multiple pumps pumping air out to the pressure required for the process. A power source supplies the required voltage to an electrode connected to a series of insulators containing tungsten filaments that carry the metal to be evaporated.

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99.95% Tungsten Products Twisting Thoriated Tungsten Wire For Vacuum Coating Tungsten Filament Wire W Heating Wire

99.95% Tungsten Products Twisting Thoriated Tungsten Wire For Vacuum Coating Tungsten Filament Wire W Heating Wire


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