| Kimia ppm | ||||||||||||
| Deskripsi | Komponen utama | Kotoran maksimum | ||||||||||
| Ta | Nb | Fe | Si | Ni | W | Mo | Ti | HAI | C | H | N | |
| TA1 | Sisa | 300 | 40 | 30 | 20 | 40 | 40 | 20 | 150 | 40 | 15 | 20 |
| TA2 | Sisa | 800 | 100 | 100 | 50 | 200 | 200 | 50 | 200 | 100 | 15 | 100 |
| TaNb3 | Sisa | 100 | 100 | 50 | 200 | 200 | 50 | 200 | 100 | 15 | 100 | |
| Sisa | 170000- 230000 | 100 | 100 | 50 | 200 | 200 | 50 | 200 | 100 | 15 | 100 | |
| Sisa | 400 | 50 | 30 | 20 | 30000 | 60 | 20 | 150 | 50 | 15 | 60 | |
| Sisa | 400 | 50 | 30 | 20 | 110000 | 60 | 20 | 150 | 50 | 15 | 60 | |
| Toleransi | Lebar | Toleransi | Panjangnya | Toleransi | ||
| Kelas II | ||||||
| ± 0,015 | ± 0,02 | 50 ~ 300 | ± 2,0 | 100 ~ 1000 | ± 2,0 | |
| ± 0.020 | ± 0,03 | 50 ~ 300 | ± 1,0 | 100 ~ 1000 | ± 2,0 | |
| ± 0.030 | ± 0,04 | 50 ~ 300 | ± 1,0 | 100 ~ 1000 | ± 2,0 | |
| ± 0.040 | ± 0,06 | 50 ~ 200 | ± 1,0 | 50 ~ 700 | ± 2,0 | |
| ± 0.060 | ± 0,08 | 50 ~ 200 | ± 1,0 | 50 ~ 700 | ± 2,0 | |
| ± 0.080 | ± 0.10 | 50 ~ 200 | ± 2,0 | 50 ~ 700 | ± 2,0 | |
| ± 0.120 | ± 0,14 | 50 ~ 200 | ± 2,0 | 50 ~ 700 | ± 2,0 | |
| ± 0.160 | ± 0,18 | 50 ~ 200 | ± 2,0 | 50 ~ 600 | ± 2,0 | |
| ± 0.180 | ± 0,20 | 50 ~ 200 | ± 1,0 | 50 ~ 500 | ± 1,0 | |
| ± 0.200 | ± 0,24 | 50 ~ 200 | ± 1,0 | 50 ~ 300 | ± 1,0 | |

Menandai: Niobium Sasaran | Niobium Alloy Sasaran | Niobium Sputtering Sasaran | Rectangular Lingkaran Niobium Sasaran

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