Tungsten Powder
Tungsten Powder
Tungsten Powder (W Powder) is characterized by its elevated purity, fine particle size, low bulk density, uniform particles, heightened activity, expansive specific surface area, and remarkably low oxygen content post-treatment with inert gas. It easily disperses and finds widespread applications in various industries, notably aerospace alloys, electronic packaging alloys, electrode materials, microelectronic films, sintering aids, protective coatings, gas sensor electrodes, and more.
Tungsten Powder (W Powder) is a dark gray powder with the chemical formula W. TFM Engineering is a global supplier of high-quality Thermal Spraying Powder specializing in the provision of high-purity Tungsten Powder and Tungsten Spherical Powder.
Tungsten Powder Grades
| Classified | Grade | Particle Size | Purity | Main Impurity |
|---|---|---|---|---|
| BET/μm | ||||
| Ultra-Fine Powder | WP03 | 3.1-5.2 m²/g | W≥99.9% | O≤0.6 |
| WP04 | 2.0-3.5m²/g | W≥99.9% | O≤0.55 | |
| WP06 | 0.50-0.70μm | W≥99.9% | O≤0.4 | |
| WP07 | 0.60-0.80μm | W≥99.9% | O≤0.35 | |
| WP08 | 0.70-0.90μm | W≥99.9% | O≤0.25 | |
| Fine Powder | WP10 | 0.90-1.10μm | W≥99.9% | O≤0.2 |
| WP12 | 1.10-1.30μm | W≥99.9% | O≤0.15 | |
| WP15 | 1.30-1.70μm | W≥99.9% | O≤0.12 | |
| Medium Powder | WP20 | 1.80-2.20μm | W≥99.9% | O≤0.08 |
| WP25 | 2.30-2.70μm | W≥99.9% | O≤0.08 | |
| WP30 | 2.80-3.20μm | W≥99.9% | O≤0.06 | |
| WP35 | 3.30-3.70μm | W≥99.9% | O≤0.06 | |
| WP40 | 3.80-4.50μm | W≥99.9% | O≤0.04 | |
| WP50 | 4.50-5.50μm | W≥99.9% | O≤0.04 | |
| WP60 | 5.50-6.50μm | W≥99.9% | O≤0.04 | |
| WP70 | 6.50-7.50μm | W≥99.9% | O≤0.04 | |
| Coarse Powder | WP80 | 7.50-8.50μm | W≥99.9% | O≤0.04 |
| WP90 | 8.50-9.50μm | W≥99.9% | O≤0.04 | |
| WP100 | 9.00-11.0μm | W≥99.9% | O≤0.04 | |
| WP120 | 11.0-13.0μm | W≥99.9% | O≤0.03 | |
| Ultra-Coarse Powder | WP150 | 13.0-17.0μm | W≥99.9% | O≤0.03 |
| WP200 | 16.0-25.0μm | W≥99.9% | O≤0.03 | |
| WP300 | 25.0-35.0μm | W≥99.9% | O≤0.03 | |
| WP400 | 35.0-45.0μm | W≥99.9% | O≤0.03 |
Spherical Tungsten Powder
Spherical Tungsten Powder exhibits a spherical morphology, setting it apart from conventional tungsten powder. Notably, it possesses exceptional powder fluidity, a distinct advantage over regular tungsten powder. Additionally, Spherical Tungsten Powder boasts high density, a high melting point, excellent electrical conductivity, and elevated overall density, rendering it an optimal material for applications in the electrical and microelectronic fields. This specialized powder is a crucial raw material in various industries, including tungsten and tungsten alloy 3D printing, creating porous materials and high-density powder spraying.
Spherical Tungsten Powder
Material: Spherical Tungsten Powder
Purity: W-99.9% Min
Density: 10.51 g/cc
Tap Density: 12.46 g/cc
Particle Size: 50nm / 100nm / 1-10μm / 5-25μm / 15-53μm
Hall Flow Rate (s/50g): 14 / 11 / 10 / 8 / 5.82
Spherical Tungsten Powder Main Impurities
| Impurities | Al | Si | Mg | Cr | Fe | Cu | O |
| Rate (%) | <0.001 | <0.001 | <0.001 | <0.005 | <0.001 | <0.005 | <0.015 |
Tungsten Powder Types
Classified by particle size, tungsten powder can be divided into Tungsten Ultra-fine Powder / Nano Powder, Tungsten Fine Powder/ Micro Powder, and Tungsten Coarse Powder (refer to the Tungsten Powder Grades Above).
Here’s an overview of different types of tungsten powder:
- 1.Nano Powder:
- Size: Nano powder consists of tungsten particles at the nanometer scale, typically ranging from 1 to 100 nanometers.
- Properties: Nano powder consists of tungsten particles at the nanometer scale, typically ranging from 1 to 100 nanometers.
- Applications:Nano tungsten powder is used in advanced materials, nanocomposites, and catalysts. It finds applications in the development of high-performance electronic devices and sensors.
- 2.Micro Powder:
- Size:Micro powder consists of tungsten particles in the micrometer range, typically ranging from 1 to 10 micrometers.
- Properties:Micro-sized tungsten powder is known for its controlled particle size distribution and is suitable for various powder metallurgy applications.
- 3.Spherical Powder:
- Shape:Spherical tungsten powder is characterized by its rounded particle morphology.
- Properties:The spherical shape contributes to improved flowability and packing density, enhancing the powder's handling characteristics.
- Applications:Spherical tungsten powder is often used in powder metallurgy processes, including metal injection molding (MIM) and additive manufacturing (3D printing). It is employed in the production of cemented carbides, where uniform particle size distribution is crucial.
Tungsten Powder Application
Tungsten powder has extensive application in producing weight fillers, radiation shielding fillers, and induction accelerators.
The thin film surface of its polymer mixture is exceptionally well-suited for radiation protection. Its large particle size makes it an ideal heavy metal filler for injection-molding applications. The distinctive shape and resulting high flowability of the particles make it well-suited for applications in the metal spray industry.
Additionally, Tungsten powder plays a crucial role in producing Tungsten Carbide powder, contributing to the preparation of cemented carbide tools for turning, milling, drilling, and molds, among other applications.
Tungsten Powder Package
Sealed plastic bag within an iron drum bucket. Our Tungsten Powder is carefully handled during storage and transportation to preserve the quality of our product in its original condition.