Tantalum Oxide Powder (Ta2O5 Powder, 325 mesh)
Princeton Powder is a leading supplier of high-purity tantalum metal powder, offering particle sizes ranging from tantalum nanopowder to 325 mesh and 15-53 µm tantalum micron powder. Our spherical tantalum powder, with low oxygen content, is used in various applications, including powder metallurgy, thermal spray processes, and additive manufacturing (3D printing).
We provide a wide range of Tantalum powder products including Tantalum Carbide (TaC) Powder, Tantalum Nitride (TaN) Powder, Tantalum(V) Boride, and Tantalum Disilicide powder. Our Tantalum powder is for sale at a competitive price in the USA.
Formula | Tantalum pentoxide, Ta2O5 |
CAS Number | 7440-25-7 |
Purity | 99.9% min, 99.99% |
Synonyms | Tantalum Pentoxide powder, Tantalum Oxide Powder, Ta2O5 powder |
Particle Sizes | 325 mesh or be customized |
Appearance | White powder |
Melting Point | 1872°C |
Boiling Point | N/A |
Density | 8.2 g/cm3 |
Package | 1 kg/bag |
Description of Tantalum Oxide Powder
Tantalum oxide powder, known as tantalum pentoxide Ta2O5, is a high-purity, white crystalline powder. It is one of the most important transition metal oxides due to its exceptional physical and chemical properties, including a high dielectric constant, high refractive index, and excellent photoelectric performance. Tantalum pentoxide powder used in the electronics industry for the production of capacitors and thin-film coatings. Tantalum oxide also exhibits strong resistance to corrosion and high thermal stability, making it suitable for use in optical coatings, lenses, and other high-temperature applications.
Chemical Composition of Tantalum Oxide Powder
Impurity Content (ppm,max) | Nb2O5 | 99.995% min | 99.99% min |
Nb | 5 | 15 | |
Fe | 1 | 5 | |
Al | 1 | 5 | |
Cr | 1 | 2 | |
Cu | 1 | 3 | |
Mn | 1 | 3 | |
Mo | 1 | 3 | |
Ni | 1 | 3 | |
Si | 10 | 15 | |
Ti | 1 | 3 | |
W | 1 | 5 | |
Pb | 1 | 3 | |
Sn | 1 | 3 | |
F | 50 | 50 |
Particle Size Tantalum Oxide Powder
-325 mesh, 1-10 um, 100-500 nm can be customized
Ta2O5 powder Features and Application
Ta2O5 powder scholar article
Porous tantalum and tantalum oxide nanoparticles for regenerative medicine
- Since corrosion contributes to the rejection of metal by the body, an extremely bioinert metal – tantalum – has been successfully used in medicine. The outstanding biocompatibility and flexibility of tantalum established the basis for a growing cadre of clinical applications. One important application which benefited from the introduction of powder (particle) metallurgy is use of tantalum as bone implants. Porous materials have re-shaped the landscape of bone implants, as they allow for bone ingrowth and biological fixation, and eliminate implant loosening and related treatment failures. The unique bone-mimicking properties of porous tantalum enabled the use of tantalum as a material for bulk implants, and not only for coatings, as is the case with other porous metals.
Tantalum Oxide (Ta₂O₅) Powder FAQ
What are the main applications of Ta₂O₅ powder?
- Electronics: Used in capacitors, high-k dielectrics, and semiconductor devices.
- Optics: Coatings for lenses and anti-reflective layers due to its high refractive index.
- Thin Films: Sputtering targets for deposition in microelectronics.
- Catalysis: Supports or catalysts in chemical reactions.
- Biomedical: Coatings for implants due to biocompatibility.
- Glass & Ceramics: Additive to improve thermal and chemical resistance.
How is Ta₂O₅ powder synthesized?
Common methods include:
- Hydrolysis of tantalum precursors (e.g., TaCl₅ + H₂O → Ta₂O₅).
- Thermal oxidation of tantalum metal in oxygen.
- Sol-gel processes using tantalum alkoxides.
- Chemical vapor deposition (CVD) for thin-film applications.
How should Ta₂O₅ powder be stored?
- Store in a dry, airtight container away from moisture and acids.
- Avoid contact with hydrofluoric acid (HF), which dissolves Ta₂O₅.
- Keep away from reducing agents at high temperatures.