PTFE Capillary 3,2 mm ODPTFE Capillary 3,2 mm OD (1,6 mm ID), length = 3 m The standard capillary made of chemically resistant and robust PTFE plastic for your HPLC system. Available with outer diameters of 1. 6, 2. 3 and 3. 2 mm and in the standard length of 3 m. For versatile applications in the laboratory! High quality due to the PTFE plastic used Available in the three most common standard outer diameters