C.Best tubes made of Polyamide 12 for pneumatic applications are proposed with two level of flexibility:
| Esternal | Internal | Bending Radius | Working Pressure | Burst Pressure | DIN 74324 only black | DIN 73378 all colours |
|---|---|---|---|---|---|---|
| 3 | 1,5 | 15 | 44 | 133 | 0 | |
| 4 | 2,5 | 20 | 31 | 92 | 0 | ¤ |
| 4 | 2,7 | 25 | 26 | 78 | 0 | |
| 4 | 2 | 15 | 44 | 133 | 1 | ¤ |
| 5 | 3 | 30 | 33 | 100 | 0 | ¤ |
| 6 | 4 | 35 | 27 | 80 | 1 | ¤ |
| 8 | 6 | 40 | 19 | 57 | 1 | |
| 10 | 8 | 60 | 15 | 44 | 1 | ¤ |
| 10 | 7 | 45 | 24 | 71 | 0 | |
| 10 | 7,5 | 50 | 19 | 57 | 1 | ¤ |
| 12 | 10 | 85 | 12 | 36 | 0 | ¤ |
| 12 | 9 | 70 | 19 | 57 | 0 | |
| 12 | 8 | 80 | 27 | 80 | 1 | ¤ |
| 14 | 12 | 85 | 10 | 31 | 0 | |
| 14 | 10 | 90 | 22 | 67 | 1 | ¤ |
| 15 | 12,5 | 100 | 12 | 36 | 0 | ¤ |
| 15 | 12 | 100 | 15 | 44 | 1 | ¤ |
| 16 | 12 | 150 | 19 | 57 | 1 | ¤ |
| 18 | 14 | 190 | 17 | 50 | 1 | ¤ |
| 20 | 16 | 180 | 15 | 44 | 0 | |
| 22 | 18 | 200 | 13 | 40 | 0 |