Avantor Hichrom GC Columns offer over 50 different GC coated capillary phases with proprietary cross-bonding technology that allows column rinsing to increase column lifetime stablizing the phase. In addition to commercially available standard phases, Avantor GC Columns offer specially developed unique phase chemistries. Avantor GC columns are available in High Polarity, Mid-High Polarity, Mid Polarity, Low Polarity and Non-Polar phase chemistries.