For each listed packaging capacity, the following table compares the ISO 3574 (IBR, see § 171.7 of this subchapter) nominal thickness with the corresponding ISO 3574 minimum thickness.
Maximum capacity (L) | ISO nominal (mm) | Corresponding ISO minimum (mm) |
20 | 0.7 | 0.63 |
30 | 0.8 | 0.73 |
40 | 0.8 | 0.73 |
60 | 1.0 | 0.92 |
120 | 1.0 | 0.92 |
220 | 1.0 | 0.92 |
450 | 1.9 | 1.77 |
49 C.F.R. §C to Part 178