Omnipore Membrane, PTFE, hydrophilic, 0.45 µm, 47 mm, white, plain. 背景信息. Our Fluoropore™ membrane is a hydrophobic, polytetrafluoroethylene (PTFE) polymer membrane bonded to a high density polyethylene support to improve the handling characteristics of the filter for normal applications. Fluoropore™ membranes provide broad chemical compatibility,