Tantalum is a rare metal, highly corrosion-resistant, the chemical inertness of tantalum makes it a valuable substance for laboratory equipment, and as a substitute for platinum. Tantalum balls are widely used in medical and industrial applications
| Diameter range: | 0,8 mm – 10 mm |
| Grades: | ISO 3290 G 100-G500 |
| Mohs hardness: | 6,5 |
| Density: | 16,65 g/cm³ |