Questions & Answers
Metal grades of tantalum foil
Tantalum foil is made from the following alloys: TaNb20, TaNb3, Ta-10W, Ta-2.5W, TVCh, Ta2, Ta1.
Tantalum foil standards
GOST standards:
GOST 26473.1-85 — Methods of chemical analysis of tantalum alloys and tantalum;
GOST 26473.0-85 — Requirements for analysis methods of products made of rare metals;
GOST 17746-96 — Technical specifications for tantalum;
GOST 23776-79 — Technical specifications for tantalum foil.
Tantalum Foil Weight Table
| Foil thickness, mm | Weight of 1 m², kg |
| 0,01 | 0,166 |
| 0,02 | 0,332 |
| 0,03 | 0,498 |
| 0,05 | 0,83 |
| 0,08 | 1,328 |
| 0,10 | 1,66 |
| 0,15 | 2,49 |
| 0,20 | 3,32 |
| 0,25 | 4,15 |
| 0,3 | 4,98 |
| 0,4 | 6,64 |
| 0,5 | 8,3 |
Tantalum foil weight depending on size:
| Sheet size, mm | Thickness, mm | Weight, kg |
| 100×100 | 0,05 | 0,008 |
| 200×200 | 0,05 | 0,033 |
| 300×300 | 0,1 | 0,149 |
| 500×500 | 0,1 | 0,415 |
| 1000×1000 | 0,1 | 1,66 |
| 1000×2000 | 0,1 | 3,32 |


