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Non-ferrous Metals

Deposition Materials

Rare Earth Elements

Semiconductor Elements

Functional Materials

Tantalum Oxide Powder

Tantalum oxide powder, also known as tantalum pentoxide powder, is white crystalline powder. As amphoteric oxide, tantalum oxide powder is insoluble in water and slightly soluble in hydrofluoric acid. Tantalum pentoxide powder is thermally stable and it& #39;s also stable in ceramic structures.

Specification for our tantalum pentoxide powder
CAS#: 1314-61-0, not hazardous, soluble in HF, Purity: 99.9%~99.999%
White powder, F.W. 441.98, m.p. 1800 °C, Spec. Gravity 8.2 gm/cm3

Item No. Description Purity Inquiry
OXTa-3N Tantalum (V) Oxide Powder
Particle size (FSSS): 0.5~2 µm
Ta2O5 > 99.9% (metals basis) Inquiry
OXTa-4N Tantalum (V) Oxide Powder
Particle size (FSSS): 1~3 µm
Ta2O5 > 99.99% (metals basis) Inquiry
OXTa-5N Tantalum (V) Oxide Powder
Particle size (FSSS): 1~3 µm
Ta2O5 > 99.999% (metals basis) Inquiry

Chemical composition for each grade of tantalum oxide powder

Grade OXTa-5N OXTa-4N OXTa-3N
Mainly (%, ≥) Ta2O5 99.999 99.99 99.9
Impurities (%, ≤) Nb 0.0003 0.0010 0.0030
Al 0.0002 0.0004 0.0005
As 0.00005 0.0001 0.0010
B 0.0001 0.0001 --
Bi 0.0001 0.0002 0.0005
Ca 0.0003 0.0005 --
Co 0.00005 0.0001 --
Cr 0.0001 0.0003 0.0005
Cu 0.0001 0.0003 0.0005
F 0.0020 0.0070 0.010
Fe 0.0002 0.0005 0.0010
K 0.0003 0.0005 --
Mg 0.0002 0.0003 --
Mn 0.0001 0.0002 0.0005
Mo 0.0001 0.0002 0.0008
Na 0.0005 0.0010 --
Ni 0.0001 0.0003 0.0010
Pb 0.0003 0.0003 0.0010
Sb 0.0005 0.0010 --
Si 0.0008 0.0013 0.0030
Sn 0.0001 0.0001 0.0005
Ti 0.0001 0.0001 0.0005
V 0.00005 0.0001 --
W 0.0002 0.0003 0.0005
Zr 0.0001 0.0001 --

Applications for tantalum oxide powder
-Tantalum oxide powder has ferroelectric properties
-UV laser applications combined in multilayers with silicon dioxide
-Film capacitors, as gate insulators in large scale integrated circuits

Packaging of our tantalum Oxide powder
Tantalum oxide powder is clearly tagged and labeled externally to ensure efficient identification and quality control. Great care is taken to avoid any damage which might be caused during storage or transportation.

Pictures for tantalum oxide powder packing

  • Packing for tantalum oxide powder
  • Packing for tantalum oxide powder



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