Polar phase: Crossbond polyethylene glycol Low-bleed PEG column ensures long column lifetimes Rugged enough to withstand repeated water injections Equivalent to USP G14, G15, G16, G20, and G39 phases Similar phases: Stabilwax, Innowax, CP-Wax 52 CB, VF-WAX MS, Supelcowax-10, ZB-Wax Plus, AT-WAX