Tantalum price pure per kg 99.95% High purity tantalum rod / bar
| Element | content | Element | content | Element | content |
| Ta | Min99.80 | O | Max.005 | Ag | Max.0.002 |
| S | Max0.005 | As | Max.0.002 | Se | Max.0.0005 |
| P | Max0.01 | Sb | Max.0.0005 | Te | Max.0.0005 |
| N | Max0.01 | Sn | Max0.005 | Tl | Max0.00005 |
| Pb | Max0.001 | Bi | Max0.0001 | Cd | Max.0.0005 |
| Ga | Max0.001 | In | Max0.0005 |
Special requirenments to be agreed upon by the supplier and buyer.
99.95% Tantalum Rod for High Temperature Furnace
The 99.95% tantalum rod for high-temperature furnaces is engineered to thrive in environments where lesser materials falter, leveraging tantalum's exceptional heat resistance and purity to set new benchmarks for thermal stability. As industries push the boundaries of high-temperature processing-from semiconductor manufacturing to aerospace R&D-this rod has become indispensable.
Tantalum's defining trait is its melting point of 3,017°C, the fourth highest among metals. This, combined with 99.95% purity, ensures the rod retains structural integrity even in furnaces operating at 2,500–3,000°C. Unlike refractory ceramics or lower-grade metals, which may degrade or oxidize at extreme temperatures, the 99.95% tantalum rod's passive oxide layer (Ta₂O₅) acts as a protective barrier, preventing contamination and maintaining performance.
In semiconductor manufacturing, high-temperature furnaces are used to grow silicon wafers or deposit thin films. Tantalum rods serve as heating elements or fixtures, where their purity prevents impurity diffusion into the wafer-critical for producing high-purity semiconductors. In aerospace, they are used in rocket engine testing chambers, where their resistance to thermal shock and oxidation ensures repeated use without failure.
The rod's purity also enhances its thermal conductivity. Free of impurities that scatter heat, 99.95% tantalum rods distribute heat evenly, reducing hot spots in furnaces and improving process efficiency. This is particularly valuable in crystal growth applications, where uniform heating is essential for defect-free materials.
Production of these rods involves electron-beam melting (EBM) to eliminate impurities, followed by precision machining to tight tolerances. Certifications like ASTM A276 and glow-discharge mass spectrometry (GDMS) validate purity, ensuring compliance with industry standards for high-temperature applications.
In summary, the 99.95% tantalum rod for high-temperature furnaces is a specialized solution for industries that demand thermal resilience. Its ability to withstand extreme heat, resist contamination, and maintain purity makes it a cornerstone of innovation in high-temperature processing.
