• Tantalum Powder
  • Tantalum Powder
Tantalum Powder
  • Molecular formula: Ta
  • Appearance: Dark gray powder
  • CAS: 7440-25-7
  • CAS: 7440-25-7

description

Tantalum powder Description:

The dense oxide film generated on the surface of the powder has unidirectional conductive valve metal properties. The anode film produced has stable chemical properties (especially in acidic electrolytes) and high electrical resistivity (7.5 × 1010 Ω· cm, high dielectric constant (27.6), and low leakage current. It also has advantages such as a wide working temperature range (-80~200 ℃), high reliability, earthquake resistance, and long service life. Using sodium thermal reduction and hydrogen embrittlement method for powder production. Alternatively, tantalum powder can be produced using a molten salt electrolyte composed of 55% KCl-27.5% KF-17.5% K2TaF7. Used to manufacture high-quality electrolytic capacitors (with a capacitance more than 5 times larger than a regular electrical capacity of the same size).

Tantalum powder Applications:

Used in military equipment and high-tech fields, such as missiles, spacecraft, televisions, electronic computers, etc.



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