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Tantalum is dark, dense, ductile, very hard, easily fabricated, and highly conductive of heat and electricity. The
metal is renowned for its resistance ,as the metal powder, is in the production of electronic components, mainly
capacitors and some high-power resistors. Tantalum electrolytic capacitors exploit the tendency of tantalum to
form a protective oxide surface layer, using tantalum powder, pressed into a pellet shape, as one "plate" of the
capacitor, the oxide as the dielectric, and an electrolytic solution or conductive solid as the other "plate". Because
the dielectric layer can be very thin (thinner than the similar layer in, for instance, an aluminium electrolytic capacitor),
a high capacitance can be achieved in a small volume. Because of the size and weight advantages, tantalum
capacitors are attractive for portable telephones, personal computers, and automotive electronics.
Material |
Tantalum Crucible |
Grade | Ta1,Ta-2.5W,Ta-10W,RO5200,RO5400,RO5252,RO5255 |
Standard | - |
Size | ø0.1mm min *L3000mm max |
Application | Industrial, Electronic, Medical |
Packaging | Standard export plywood case or as per order |
purity | ≥99.95% |
Density | 16.6g/cm3 |
Melting Point | 2996 DC |
Boiling Point | 5425 DC |
Product Feature | High melting point, High-density, high temperature oxidation resistance, long service life |
Chemical Composition
Tantalum Crucible
| ||||
Element | Chemical Composition | |||
R05200 | RO5400 | RO5255 | RO5252 | |
C | 0.010 | 0.010 | 0.010 | 0.010 |
O | 0.015 | 0.03 | 0.015 | 0.015 |
N | 0.010 | 0.010 | 0.010 | 0.010 |
H | 0.0015 | 0.0015 | 0.0015 | 0.0015 |
Nb | 0.10 | 0.10 | 0.10 | 0.50 |
Fe | 0.010 | 0.010 | 0.010 | 0.010 |
Ti | 0.010 | 0.010 | 0.010 | 0.010 |
W | 0.050 | 0.050 | 9.0-11.0 | 2.0-3.5 |
Mo | 0.020 | 0.020 | 0.020 | 0.020 |
Si | 0.005 | 0.005 | 0.005 | 0.005 |
Ni | 0.010 | 0.010 | 0.010 | 0.010 |
Ta | margin- | margin- | margin- | margin- |
Our products is available in a wide range of forms including nut, screw ,ring ,wire, foil, sheet, rod, strip, plate, tube, alloys according to Standard ASTM AMS ASME MIL DMS JIS GB, etc.
As a DNV certified ISO9001:2000 company, we have strict quality control system and provide professional service to our customers around the world. Our customers are in aerospace industry, chemical equipment industry, medical industry and civilian industry in USA, UK, Germany, Sweden and some other countries.












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