Macherey-Nagel GC Capillary Column PERMABOND CW 20 M ID: 0.32 mm, film thickness: 0.25 μm Length: 30 m

Capillary columns for gas chromatography (GC), polyethylene glycol 20000 Dalton, polar GC phase, meets USP G16. Similar phases:OPTIMA WAX, DB-Wax, Supelcowax, HP‑Wax, HP-INNOWAX, Rtx‑Wax, CP-Wax 52 CB, Stabilwax, 007-CW, BP20, AT-Wax, ZB-Wax