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Tungsten Powder

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MOQ : 10 Kilograms

Tungsten Powder Specification

HS Code
28259040

Storage
Store in a cool, dry place, tightly sealed container

Structural Formula
W

Smell
Odorless

Water Insoluble
Yes

Boiling point
5555°C

Solubility
Insoluble in water, soluble in nitric and hydrofluoric acids

Place of Origin
India

Melting Point
3422°C

Poisonous
Non-poisonous under normal conditions

Molecular Weight
183.84 g/mol

Application

Color
Grayish-black

Form
Powder

CAS Number
7440-33-7

Density
19.3 g/cm3

Appearance
Fine powder

Thermal Expansion Coefficient
4.5 m/(mK) at 20C

Purity
99.9% min

Shelf Life
12 months under proper storage

Electrical Resistivity
5.49 cm at 20C

Molar Mass
183.84 g/mol

Grade Standard
Industrial Grade

Particle Size
1-5 microns (customizable)

Tungsten Powder Trade Information

Minimum Order Quantity
10 Kilograms

Supply Ability
500 Kilograms Per Week

Delivery Time
4 Hours

Main Domestic Market
All India

Tungsten Powder About

Tungsten Powder

SPECIFFICATION : TUNGSTEN (W) POWDER

Type	Grain size (FSSS)	Oxygen % ,max
W1	1.0 to 1.99	0.2
W2	2 to 3.99	0.15
W4	4 to 5.99	0.15
W6	6 to 7.99	0.15
W10	10 to 11.99	0.1
W12	12 to 13.99	0.1
W14	14 to 15.99	0.1

Note : Grain Size & Oxygen content can be adujusted to customers requirement

Element	Speciffication
Mo	100 ppm
Fe	100 ppm
Cu	10 ppm
Na	15 ppm
K	10 ppm
Mg	20 ppm
Ca	20 ppm
Si	30 ppm
S	10 ppm
N₂	50 ppm
Al	20 ppm
Co	50 ppm
Cr	70 ppm
Ni	100 ppm
C	20 ppm

Exceptional Material Purity and Performance

With a purity of 99.9%, this tungsten powder is engineered for demanding industrial uses, delivering reliable performance, high density, and remarkable thermal and electrical properties. Suited for advanced metallurgy and electronics, it offers consistency and versatility across applications.

Versatile Applications Across Industries

Used extensively in the manufacturing of filaments, specialty electrodes, superalloys, and components for electronic devices, this tungsten powder meets the stringent requirements of various fields. Its customizable particle size and excellent stability make it a preferred choice for precision manufacturing needs.

FAQs of Tungsten Powder:

Q: How is tungsten powder typically used in industrial applications?

A: Tungsten powder is commonly employed in the manufacture of lamp filaments, electrodes, high-density alloys, and as a key material in chemical vapor deposition and electronic components due to its high melting point, density, and chemical stability.

Q: What benefits does the 99.9% purity level offer?

A: The 99.9% purity ensures minimal contamination, which is crucial for sensitive processes requiring high chemical stability, improving product performance and reliability in advanced technological and engineering applications.

Q: When should tungsten powder be stored to maintain its shelf life?

A: To maintain its 12-month shelf life, tungsten powder should be stored immediately after receipt in a tightly sealed container, kept in a cool, dry environment to protect it from moisture and contaminants.

Q: Where is this tungsten powder produced and supplied from?

A: This tungsten powder is manufactured, exported, and supplied from India, meeting international quality standards and serving customers across a variety of regions.

Q: What is the process for customizing the particle size of tungsten powder?

A: Particle size is tailored during production by controlling milling and sieving operations, ensuring the product meets specific customer requirements within the range of 1 to 5 microns.

Q: Is tungsten powder water soluble or dangerous under standard handling?

A: Tungsten powder is insoluble in water and is considered non-poisonous under normal handling conditions. Proper storage and standard safety practices should still be observed.

Q: What are the primary advantages of using tungsten powder in electronic manufacturing?

A: Its exceptional electrical resistivity, high melting point, and stability under extreme thermal conditions make tungsten powder invaluable for producing durable filaments, electrodes, and precision electronic components.

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