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Features
CAS Number: | 7440-25-7 |
Linear Formula: | Ta |
Purity: | 99.9%, 99.99%, 99.999% |
Appearance: | Silvery-gray solid |
Particle size: | -60 mesh, -200 mesh, -325 mesh or customized |
Lot Size: | 10kg, 50kg, 100kg |
Metallurgical Grade Tantalum Powder Description
Tantalum powder has both high density and excellent thermal & electrical conductivity properties. It can be used in optics and electronics because it has the fourth-highest melting temperature of all metals. It is also more resistant to fatigue than glass or graphic systems. High purity Tantalum powder is made in small grains and can also be used to make a tantalum sputtering target. Tantalum metal owder is good for many applications in optics and electronics because it has special properties.
SSC produces high purity tantalum powder with the smallest possible average grain size for use in preparation of pressed and bonded sputtering targets and in Chemical Vapor Deposition (CVD) and Physical Vapor Deposition (PVD) processes. Powders are good for application that needs a lot of surface area, like water treatment or fuel cell and solar applications. Nanoparticles have very large surfaces. Our standard powder particle sizes are - 325 mesh, - 100 mesh, 10-50 microns, and submicron ( 1 micron) We can make many materials in the nanoscale range.
We also make tantalum in rod, ingot, pieces, pellets, disc, granules, wire, and as compounds, such as oxide. Other shapes are available by request.
Metallurgical Grade Tantalum Powder Specifications
Impurities (≤ppm)
Product Code | O | H | N | C | Fe | Ni | Cr | Si | Ti | Nb | W | Mo | Mn |
001 | 1500 | 30 | 50 | 50 | 10 | 5 | 5 | 10 | 5 | 10 | 5 | 5 | 5 |
002 | 1800 | 30 | 150 | 80 | 50 | 50 | 30 | 50 | 10 | 50 | 30 | 20 | 10 |
003 | 2000 | 50 | 150 | 150 | 50 | 50 | 50 | 100 | 10 | 50 | 30 | 20 | 10 |
004 | 3000 | 100 | 450 | 200 | 200 | 200 | 200 | 300 | 100 | 300 | 100 | 100 | 10 |
Physical Properties
Bulk Density (g/cm3) | Average Particle Size (μm) |
5.0-7.5 | 6.0-13.0 |
4.5-7.0 | 6.0-12.0 |
3.5 -7.0 | 5.0-12.0 |
3.5-7.0 | 5.0-12.0 |
Metallurgical Grade Tantalum Powder Applications and Related Industries
● Raw material to produce mill products
● Additives in alloy and welding bars
● Optic and electronic applications
● Manufacturing of super targets
● Manufacturing of capacitors and superalloys
● Material Science
● Research & Laboratory
● Optics
● Electronics
Chemical Identifiers
Linear Formula | Ta |
MDL Number | MFCD00011252 |
EC No. | 231-135-5 |
Beilstein/Reaxys No. | N/A |
Pubchem CID | 23956 |
SMILES | [Ta] |
InchI Identifier | InChI=1S/Ta |
InchI Key | GUVRBAGPIYLISA-UHFFFAOYSA-N |
Tantalum Powder Properties (Theoretical)
Molecular Weight | 180.94 |
Appearance | Silvery-gray solid |
Melting Point | 3017 °C |
Boiling Point | 5458 °C |
Density | 16.69 g/cm3 (20 °C) |
Solubility in H2O | N/A |
Crystal Phase / Structure | α: body-centered cubic (bcc) / β: tetragonal |
Electrical Resistivity | 131 nΩ·m (20 °C) |
Electronegativity | 1.5 Paulings |
Heat of Fusion | 36.57 kJ/mol |
Heat of Vaporization | 753 kJ/mol |
Poisson's Ratio | 0.34 |
Specific Heat | 140 J/kg·K |
Thermal Conductivity | 57.5 W/m·K |
Thermal Expansion | 6.3 µm/m·K |
Vickers Hardness | 870–1200 MPa |
Young's Modulus | 186 GPa |
Tantalum Powder Health & Safety Information
Signal Word | Danger |
Hazard Statements | H228-H315-H319-H335 |
Hazard Codes | F, Xi |
Precautionary Statements | P210-P261-P280-P305+P351+P338-P405-P501 |
Flash Point | Not applicable |
Risk Codes | 11-36/37/38 |
Safety Statements | 26-36/37/39 |
RTECS Number | WW5505000 |
Transport Information | UN 3089 4.1 / PGII |
WGK Germany | nwg |
GHS Pictograms | GHS07 Exclamation Point
GHS02 Flame
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