Ultra-low bleed capillary columns for GC. Recommended application: all-round phase for environmental analyses, trace analyses, EPA methods, pesticides, PCB, food and drug analyses. Similar phases: Ultra-1, DB-1 MS, HP-1 MS, Rtx-1 MS, Rxi-1 MS, Equity-1, AT-1 MS, VF-1 MS, CP-Sill 5 CB MS. Max. temperature for isothermal operation 340 °C, Max. temperature for short isotherms in a temperature program 360 °C.