GC Column. RTX-1 30M x 0.53mm x 3um. RTX-1 Fused Silica nonpolar phase; crossbond dimethyl polysiloxane general purpose columns for solvent impurities, PCB congeners (e.g., Aroclor mixes), simulated distillation, arson accelerants, gases, natural gas odorants, sulfur compounds, essential oils, hydrocarbons, semivolatiles, pesticides, oxygenates. Long lifetime and very low bleed at high operating temperatures. Temperature Range: -60 to 350C Equivalent to USP G1, G2, G38 phases. Similar Phase(s): HP-1, DB-1, CP-Sil 5 CB, ZB-1.