Reproshell HPLC columns consist of core-shell particles. These are available in different column dimensions and modifications.
| Phase | Modification | Particle size / μm | Pore size / Å | Surface area / m²/g | Carbon content / %C | Endcapped | pH range | USP Code |
| C18 | C18 | 2.6 | 80 | 130 | N/A | N/A | 2.0-9.0 | L1 |
| ODS-3 | C18 | 2.7, 5 | 90 | 140 | 5 | double | 1.0-9.0 | L1 |
| Si | Si | 2.7, 5 | 90 | 140 | - | - | 2.0-7.0 | L3 |
| PFP | PFP | 2.7, 5 | N/A | N/A | 4 | N/A | 2.0-9.0 | L43 |
| C8 | C8 | 2.7, 5 | 90 | 140 | 4.5 | double | 2.0-9.0 | L7 |
| Phenyl-hexyl | Ph-hexyl | 2.7, 5 | N/A | N/A | 5.5 | double | 2.0-9.0 | L11 |
| Biphenyl | biphenyl | 2.7, 5 | 90 | 140 | 4.5 | double | 2.0-9.0 | N/A |
| ODS-1 | C18 | 2.7, 5 | 90 | 140 | 6 | double | 2.0-9.0 | L1 |