HIPACK columns from Bischoff are a typical RP Material of the second generation. They consist of type A-silica and are base deactivated. Bischoff recommends these columns as an alternative to Hypersil BDS.
| Phase | Particle size / µm | Pore size / Å |
| HIPACK ODS | 3, 5 | 120 |
| HIPACK C8 | 3, 5 | 120 |