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

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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, can be customized

Features and Application

High Dielectric Constant: it makes tantalum oxide ideal for capacitors in electronic devices, enabling efficient energy storage and transfer.
High Refractive Index: used in optical coatings for lenses and mirrors, enhancing optical clarity and performance.
Corrosion Resistance: used in protective coatings for high-temperature and corrosive environments, ensuring long-term durability.
Thermal Stability: used in high-temperature applications, such as in thin-film deposition processes and advanced electronics.
Optical Transparency: it is suitable for glass production, improving the optical quality and durability of specialty glass

Reference

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.