Phase: 5% Phenyl / 95% Dimethyl Polysiloxaner- Excellent general purpose GC columnr- High temperaturer- Low bleedr- Non-polarrApplication areas: aromatics, pesticides, herbicides, drugs of abuse, hydrocarbons, GC/MS applications.rSuitable replacement for: DB-5, Rtx-5, HP-5, Ultra-2, PTE-5, SPB-5, MDN-5, CP-Sil 8CB, VB-5, ZB-5, VF-5ms.